diff --git a/app/app.global.scss b/app/app.global.scss
index 2fac4bf3..aebe8940 100644
--- a/app/app.global.scss
+++ b/app/app.global.scss
@@ -21,4 +21,17 @@ body {
   -webkit-font-smoothing: antialiased;
   -webkit-tap-highlight-color: rgba(255,255,255,0);
   font-family: 'Roboto';
+}
+
+.ReactModal__Overlay {
+  transition: opacity 500ms ease-in-out;
+  opacity: 0;
+
+  &--after-open {
+    opacity: 1;
+  }
+
+  &--before-close {
+    opacity: 0;
+  }
 }
\ No newline at end of file
diff --git a/app/reducers/invoice.js b/app/reducers/invoice.js
index fb92c33f..1aa72630 100644
--- a/app/reducers/invoice.js
+++ b/app/reducers/invoice.js
@@ -1,8 +1,11 @@
+import { createSelector } from 'reselect'
 import { callApi } from '../api'
 import { btc, usd } from '../utils'
 // ------------------------------------
 // Constants
 // ------------------------------------
+export const SET_INVOICE = 'SET_INVOICE'
+
 export const GET_INVOICE = 'GET_INVOICE'
 export const RECEIVE_INVOICE = 'RECEIVE_INVOICE'
 
@@ -17,6 +20,13 @@ export const INVOICE_FAILED = 'INVOICE_FAILED'
 // ------------------------------------
 // Actions
 // ------------------------------------
+export function setInvoice(invoice) {
+  return {
+    type: SET_INVOICE,
+    invoice
+  }
+}
+
 export function getInvoice() {
   return {
     type: GET_INVOICE
@@ -104,6 +114,8 @@ export function invoiceFailed() {
 // Action Handlers
 // ------------------------------------
 const ACTION_HANDLERS = {
+  [SET_INVOICE]: (state, { invoice }) => ({ ...state, invoice }),
+
   [GET_INVOICE]: (state) => ({ ...state, invoiceLoading: true }),
   [RECEIVE_INVOICE]: (state, { data }) => ({ ...state, invoiceLoading: false, data }),
 
@@ -115,13 +127,23 @@ const ACTION_HANDLERS = {
   [INVOICE_FAILED]: (state) => ({ ...state, invoiceLoading: false, data: null })
 }
 
+const invoiceSelectors = {}
+const modalInvoiceSelector = state => state.invoice.invoice
+
+invoiceSelectors.invoiceModalOpen = createSelector(
+  modalInvoiceSelector,
+  invoice => invoice ? true : false
+)
+
+export { invoiceSelectors }
+
 // ------------------------------------
 // Reducer
 // ------------------------------------
 const initialState = {
   invoiceLoading: false,
   invoices: [],
-  invoice: {},
+  invoice: null,
   data: {}
 }
 
diff --git a/app/reducers/payment.js b/app/reducers/payment.js
index fa2055a9..32c26730 100644
--- a/app/reducers/payment.js
+++ b/app/reducers/payment.js
@@ -1,8 +1,11 @@
+import { createSelector } from 'reselect'
 import { callApi } from '../api'
 import { btc } from '../utils'
 // ------------------------------------
 // Constants
 // ------------------------------------
+export const SET_PAYMENT = 'SET_PAYMENT'
+
 export const GET_PAYMENTS = 'GET_PAYMENTS'
 export const RECEIVE_PAYMENTS = 'RECEIVE_PAYMENTS'
 
@@ -13,6 +16,13 @@ export const PAYMENT_FAILED = 'PAYMENT_FAILED'
 // ------------------------------------
 // Actions
 // ------------------------------------
+export function setPayment(payment) {
+  return {
+    type: SET_PAYMENT,
+    payment
+  }
+}
+
 export function getPayments() {
   return {
     type: GET_PAYMENTS
@@ -76,16 +86,28 @@ export const payInvoice = (payment_request) => async (dispatch) => {
 // Action Handlers
 // ------------------------------------
 const ACTION_HANDLERS = {
+  [SET_PAYMENT]: (state, { payment }) => ({ ...state, payment }),
   [GET_PAYMENTS]: (state) => ({ ...state, paymentLoading: true }),
   [RECEIVE_PAYMENTS]: (state, { payments }) => ({ ...state, paymentLoading: false, payments })
 }
 
+const paymentSelectors = {}
+const modalPaymentSelector = state => state.payment.payment
+
+paymentSelectors.paymentModalOpen = createSelector(
+  modalPaymentSelector,
+  payment => payment ? true : false
+)
+
+export { paymentSelectors }
+
 // ------------------------------------
 // Reducer
 // ------------------------------------
 const initialState = {
   paymentLoading: false,
-  payments: []
+  payments: [],
+  payment: null
 }
 
 export default function paymentReducer(state = initialState, action) {
diff --git a/app/reducers/ticker.js b/app/reducers/ticker.js
index 501e1756..64e18d16 100644
--- a/app/reducers/ticker.js
+++ b/app/reducers/ticker.js
@@ -1,3 +1,4 @@
+import { createSelector } from 'reselect'
 import { requestTicker } from '../api'
 // ------------------------------------
 // Constants
@@ -43,7 +44,7 @@ export const fetchTicker = () => async (dispatch) => {
 const ACTION_HANDLERS = {
   [SET_CURRENCY]: (state, { currency }) => ({ ...state, currency }),
   [GET_TICKER]: (state) => ({ ...state, tickerLoading: true }),
-  [RECIEVE_TICKER]: (state, { ticker }) => ({...state, btcTicker: ticker[0] })
+  [RECIEVE_TICKER]: (state, { ticker }) => ({...state, tickerLoading: false, btcTicker: ticker[0] })
 }
 
 // ------------------------------------
diff --git a/app/routes/activity/components/Activity.js b/app/routes/activity/components/Activity.js
index f4dd163e..12643861 100644
--- a/app/routes/activity/components/Activity.js
+++ b/app/routes/activity/components/Activity.js
@@ -10,7 +10,7 @@ class Activity extends Component {
   constructor(props, context) {
     super(props, context)
     this.state = {
-      tab: 1
+      tab: 2
     }
   }
 
@@ -25,10 +25,14 @@ class Activity extends Component {
     const { tab } = this.state
     const { 
       ticker,
-      invoice: { invoices, invoiceLoading },
-      payment: { payments, paymentLoading }
+      invoice: { invoice, invoices, invoiceLoading },
+      payment: { payment, payments, paymentLoading },
+      setPayment,
+      setInvoice,
+      paymentModalOpen,
+      invoiceModalOpen
     } = this.props
-    
+
     if (invoiceLoading || paymentLoading) { return <div>Loading...</div> }
     return (
       <div>
@@ -62,9 +66,23 @@ class Activity extends Component {
             >
               {
                 tab === 1 ?
-                  <Payments key={1} payments={payments} ticker={ticker} />
+                  <Payments
+                    key={1}
+                    payment={payment}
+                    payments={payments}
+                    ticker={ticker}
+                    setPayment={setPayment}
+                    paymentModalOpen={paymentModalOpen}
+                  />
                 :
-                  <Invoices key={2} invoices={invoices} ticker={ticker} />
+                  <Invoices
+                    key={2}
+                    invoice={invoice}
+                    invoices={invoices}
+                    ticker={ticker}
+                    setInvoice={setInvoice}
+                    invoiceModalOpen={invoiceModalOpen}
+                  />
               }
             </CSSTransitionGroup>
           </div>
diff --git a/app/routes/activity/components/components/Invoices.js b/app/routes/activity/components/components/Invoices.js
index 8c4f2a9e..36191b08 100644
--- a/app/routes/activity/components/components/Invoices.js
+++ b/app/routes/activity/components/components/Invoices.js
@@ -2,28 +2,71 @@
 import React, { Component } from 'react'
 import Moment from 'react-moment'
 import 'moment-timezone'
+import { FaBitcoin, FaDollar } from 'react-icons/lib/fa'
+import Modal from './Modal'
 import { btc } from '../../../../utils'
 import styles from './Invoices.scss'
 
 class Invoices extends Component {
 	render() {
-		const { invoices, ticker } = this.props
+		const {
+      invoice,
+      invoices,
+      ticker,
+      setInvoice,
+      invoiceModalOpen
+    } = this.props
+
 		return (
-			<ul className={styles.invoices}>
-        <li className={styles.invoiceTitles}>
-          <div className={styles.left}>
-            <div>Payment Request</div>
-          </div>
-          <div className={styles.center}>
-            <div>Memo</div>
-          </div>
-          <div className={styles.right}>
-            <div>Amount</div>
-          </div>
-        </li>
-        {
-          invoices.map((invoice, index) => (
-              <li key={index} className={styles.invoice}>
+      <div>
+        <Modal isOpen={invoiceModalOpen} resetObject={setInvoice}>
+          {
+            invoice ?
+              <div className={styles.invoiceModal}>
+                <h3>{invoice.memo}</h3>
+                <p className={styles.paymentRequest}>{invoice.payment_request}</p>
+                <h1>
+                  {
+                    ticker.currency === 'btc' ?
+                      <FaBitcoin style={{ verticalAlign: 'top' }} />
+                    :
+                      <FaDollar style={{ verticalAlign: 'top' }} />
+                  }
+                  <span className={styles.value}>
+                    {
+                      ticker.currency === 'btc' ?
+                        btc.satoshisToBtc(invoice.value)
+                      :
+                        btc.satoshisToUsd(invoice.value, ticker.btcTicker.price_usd)
+                    }
+                  </span>
+                </h1>
+                <p className={styles.date}>
+                  Created on
+                  <Moment format='MMM Do'>
+                    {invoice.creation_date * 1000}
+                  </Moment>
+                </p>
+              </div>
+            :
+              null
+          }
+        </Modal>
+  			<ul className={styles.invoices}>
+          <li className={styles.invoiceTitles}>
+            <div className={styles.left}>
+              <div>Payment Request</div>
+            </div>
+            <div className={styles.center}>
+              <div>Memo</div>
+            </div>
+            <div className={styles.right}>
+              <div>Amount</div>
+            </div>
+          </li>
+          {
+            invoices.map((invoice, index) =>
+              <li key={index} className={styles.invoice} onClick={() => setInvoice(invoice)}>
                 <div className={styles.left}>
                   <div className={styles.path}>{`${invoice.payment_request.substring(0, 75)}...`}</div>
                 </div>
@@ -42,11 +85,11 @@ class Invoices extends Component {
                 </div>
               </li>
             )
-          )
-        }
-      </ul>
+          }
+        </ul>
+      </div>
 		)
 	}
 }
 
-export default Invoices
\ No newline at end of file
+export default Invoices
diff --git a/app/routes/activity/components/components/Invoices.scss b/app/routes/activity/components/components/Invoices.scss
index c7aeaaea..9e8bbf59 100644
--- a/app/routes/activity/components/components/Invoices.scss
+++ b/app/routes/activity/components/components/Invoices.scss
@@ -1,5 +1,44 @@
 @import '../../../../variables.scss';
 
+.invoiceModal {
+	padding: 40px;
+
+	h3 {
+		font-size: 24px;
+		color: $black;
+		font-weight: bold;
+		text-align: center;
+		margin-bottom: 10px;
+	}
+
+	.paymentRequest {
+		text-align: center;
+		font-size: 8px;
+	}
+
+	h1 {
+		text-align: center;
+		color: $main;
+		margin: 60px 30px 60px 0;
+
+		svg {
+			font-size: 30px;
+		}
+
+		.value {
+			font-size: 80px;
+		}
+	}
+
+	.date {
+		text-align: center;
+
+		time {
+			margin-left: 3px;
+		}
+	}
+}
+
 .invoices {
 	width: 75%;
 	margin: 0 auto;
@@ -41,3 +80,11 @@
 		font-weight: bold;
 	}
 }
+
+.invoice {
+	cursor: pointer;
+
+	&:hover {
+		background: lighten($grey, 5%);
+	}
+}
diff --git a/app/routes/activity/components/components/Modal.js b/app/routes/activity/components/components/Modal.js
new file mode 100644
index 00000000..a69dfd0b
--- /dev/null
+++ b/app/routes/activity/components/components/Modal.js
@@ -0,0 +1,45 @@
+// @flow
+import React, { Component } from 'react'
+import ReactModal from 'react-modal'
+import Moment from 'react-moment'
+import 'moment-timezone'
+
+const customStyles = {
+  overlay: {
+    cursor: 'pointer'
+  },
+  content : {
+    top: 'auto',
+    left: '20%',
+    right: '0',
+    bottom: 'auto',
+    width: '40%',
+    margin: '50px auto'
+  }
+}
+
+class Modal extends Component {
+	render() {
+		const {
+      isOpen,
+      resetObject,
+      children
+    } = this.props
+    
+		return (
+			<ReactModal
+        isOpen={isOpen}
+        contentLabel="No Overlay Click Modal"
+        ariaHideApp={true}
+        shouldCloseOnOverlayClick={true}
+        onRequestClose={() => resetObject(null)}
+        parentSelector={() => document.body}
+        style={customStyles}
+      >
+        {children}
+      </ReactModal>
+		)
+	}
+}
+
+export default Modal
\ No newline at end of file
diff --git a/app/routes/activity/components/components/Payments.js b/app/routes/activity/components/components/Payments.js
index 3e7bc8f1..e1539a8a 100644
--- a/app/routes/activity/components/components/Payments.js
+++ b/app/routes/activity/components/components/Payments.js
@@ -2,65 +2,112 @@
 import React, { Component } from 'react'
 import Moment from 'react-moment'
 import 'moment-timezone'
+import { FaBitcoin, FaDollar } from 'react-icons/lib/fa'
+import Modal from './Modal'
 import { btc } from '../../../../utils'
 import styles from './Payments.scss'
 
 class Payments extends Component {
 	render() {
-		const { payments, ticker } = this.props
+		const {
+      payment,
+      payments,
+      ticker,
+      setPayment,
+      paymentModalOpen
+    } = this.props
+
 		return (
-			<ul className={styles.payments}>
-        <li className={styles.paymentTitles}>
-          <div className={styles.left}>
-            <div>Public Key</div>
-          </div>
-          <div className={styles.center}>
-            <div>Date</div>
-          </div>
-          <div className={styles.center}>
-            <div>Fee</div>
-          </div>
-          <div className={styles.right}>
-            <div>Amount</div>
-          </div>
-        </li>
-        {
-          payments.map((payment, index) =>
-            <li key={index} className={styles.payment}>
-              <div className={styles.left}>
-                <div className={styles.path}>{payment.path[0]}</div>
+      <div>
+        <Modal isOpen={paymentModalOpen} resetObject={setPayment}>
+          {
+            payment ?
+              <div className={styles.paymentModal}>
+                <h3>{payment.payment_hash}</h3>
+                <h1>
+                  {
+                    ticker.currency === 'btc' ?
+                      <FaBitcoin style={{ verticalAlign: 'top' }} />
+                    :
+                      <FaDollar style={{ verticalAlign: 'top' }} />
+                  }
+                  <span className={styles.value}>
+                    {
+                      ticker.currency === 'btc' ?
+                        btc.satoshisToBtc(payment.value)
+                      :
+                        btc.satoshisToUsd(payment.value, ticker.btcTicker.price_usd)
+                    }
+                  </span>
+                </h1>
+                <dl>
+                  <dt>Fee</dt>
+                  <dd>{payment.fee}</dd>
+                  <dt>Date</dt>
+                  <dd>
+                    <Moment format='MMM Do'>
+                      {payment.creation_date * 1000}
+                    </Moment></dd>
+                </dl>
               </div>
-              <div className={styles.center}>
-                <div className={styles.date}>
-                  <Moment format="MMMM Do">{payment.creation_date * 1000}</Moment>
+            :
+              null
+          }
+        </Modal>
+
+    		<ul className={styles.payments}>
+          <li className={styles.paymentTitles}>
+            <div className={styles.left}>
+              <div>Public Key</div>
+            </div>
+            <div className={styles.center}>
+              <div>Date</div>
+            </div>
+            <div className={styles.center}>
+              <div>Fee</div>
+            </div>
+            <div className={styles.right}>
+              <div>Amount</div>
+            </div>
+          </li>
+          {
+            payments.map((payment, index) =>
+              <li key={index} className={styles.payment} onClick={() => setPayment(payment)}>
+                <div className={styles.left}>
+                  <div className={styles.path}>{payment.path[0]}</div>
                 </div>
-              </div>
-              <div className={styles.right}>
-                <span className={styles.fee}>
-                {
-                  ticker.currency === 'btc' ?
-                    btc.satoshisToBtc(payment.fee)
-                  :
-                    btc.satoshisToUsd(payment.fee, ticker.btcTicker.price_usd) 
-                }
-                </span>
-              </div>
-              <div className={styles.right}>
-                <span className={styles.value}>
+                <div className={styles.center}>
+                  <div className={styles.date}>
+                    <Moment format="MMMM Do">{payment.creation_date * 1000}</Moment>
+                  </div>
+                </div>
+                <div className={styles.right}>
+                  <span className={styles.fee}>
                   {
                     ticker.currency === 'btc' ?
-                      btc.satoshisToBtc(payment.value)
+                      btc.satoshisToBtc(payment.fee)
                     :
-                      btc.satoshisToUsd(payment.value, ticker.btcTicker.price_usd) 
+                      btc.satoshisToUsd(payment.fee, ticker.btcTicker.price_usd) 
                   }
-                </span>
-              </div>
-            </li>
-          )
-        }
-      </ul>
+                  </span>
+                </div>
+                <div className={styles.right}>
+                  <span className={styles.value}>
+                    {
+                      ticker.currency === 'btc' ?
+                        btc.satoshisToBtc(payment.value)
+                      :
+                        btc.satoshisToUsd(payment.value, ticker.btcTicker.price_usd) 
+                    }
+                  </span>
+                </div>
+              </li>
+            )
+          }
+        </ul>
+      </div>
 		)
 	}
 }
 
-export default Payments
\ No newline at end of file
+export default Payments
diff --git a/app/routes/activity/components/components/Payments.scss b/app/routes/activity/components/components/Payments.scss
index d20aa96c..ff906cb1 100644
--- a/app/routes/activity/components/components/Payments.scss
+++ b/app/routes/activity/components/components/Payments.scss
@@ -1,5 +1,48 @@
 @import '../../../../variables.scss';
 
+.paymentModal {
+	padding: 40px;
+
+	h1 {
+		text-align: center;
+		color: $main;
+		margin: 60px 30px 60px 0;
+
+		svg {
+			font-size: 30px;
+		}
+
+		.value {
+			font-size: 80px;
+		}
+	}
+
+	h3 {
+		font-size: 14px;
+		text-align: center;
+		color: $black;
+		font-weight: bold;
+	}
+
+	dt {
+		text-align: left;
+    float: left;
+    clear: left;
+    font-weight: 500;
+    padding: 20px 35px 19px 0;
+    color: $black;
+    font-weight: bold;
+	}
+
+	dd {
+		text-align: right;
+    font-weight: 400;
+    padding: 19px 0;
+    margin-left: 0;
+    border-top: 1px solid $darkgrey;
+	}
+}
+
 .payments {
 	width: 75%;
 	margin: 0 auto;
diff --git a/app/routes/activity/containers/ActivityContainer.js b/app/routes/activity/containers/ActivityContainer.js
index f3feac7e..88efd907 100644
--- a/app/routes/activity/containers/ActivityContainer.js
+++ b/app/routes/activity/containers/ActivityContainer.js
@@ -1,9 +1,11 @@
 import { connect } from 'react-redux'
-import { fetchInvoices } from '../../../reducers/invoice'
-import { fetchPayments } from '../../../reducers/payment'
+import { fetchInvoices, setInvoice, invoiceSelectors } from '../../../reducers/invoice'
+import { setPayment, fetchPayments, paymentSelectors } from '../../../reducers/payment'
 import Activity from '../components/Activity'
 
 const mapDispatchToProps = {
+	setPayment,
+	setInvoice,
 	fetchPayments,
 	fetchInvoices
 }
@@ -12,7 +14,9 @@ const mapStateToProps = (state) => ({
 	activity: state.activity,
 	payment: state.payment,
 	invoice: state.invoice,
-	ticker: state.ticker
+	ticker: state.ticker,
+	paymentModalOpen: paymentSelectors.paymentModalOpen(state),
+	invoiceModalOpen: invoiceSelectors.invoiceModalOpen(state)
 })
 
 export default connect(mapStateToProps, mapDispatchToProps)(Activity)
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 20f53f20..566cc3bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12988,6 +12988,11 @@
       "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=",
       "dev": true
     },
+    "reselect": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/reselect/-/reselect-3.0.1.tgz",
+      "integrity": "sha1-79qpjqdFEyTQkrKyFjpqHXqaIUc="
+    },
     "resolve": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.3.3.tgz",
diff --git a/package.json b/package.json
index 9b0c1e1f..55ff2e8d 100644
--- a/package.json
+++ b/package.json
@@ -203,6 +203,7 @@
     "react-svg": "^2.1.21",
     "redux": "^3.7.1",
     "redux-thunk": "^2.2.0",
+    "reselect": "^3.0.1",
     "satoshi-bitcoin": "^1.0.4",
     "source-map-support": "^0.4.15"
   },