diff --git a/client/components/AddRemoveButton.jsx b/client/components/AddRemoveButton.jsx
new file mode 100644
index 00000000..f0ec1272
--- /dev/null
+++ b/client/components/AddRemoveButton.jsx
@@ -0,0 +1,24 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import InlineSVG from 'react-inlinesvg';
+
+const addIcon = require('../images/plus.svg');
+const removeIcon = require('../images/minus.svg');
+
+const AddRemoveButton = ({ type, onClick }) => {
+  const alt = type === 'add' ? 'add to collection' : 'remove from collection';
+  const icon = type === 'add' ? addIcon : removeIcon;
+
+  return (
+    <button className="overlay__close-button" onClick={onClick}>
+      <InlineSVG src={icon} alt={alt} />
+    </button>
+  );
+};
+
+AddRemoveButton.propTypes = {
+  type: PropTypes.oneOf(['add', 'remove']).isRequired,
+  onClick: PropTypes.func.isRequired,
+};
+
+export default AddRemoveButton;
diff --git a/client/modules/IDE/components/CollectionList/CollectionListRow.jsx b/client/modules/IDE/components/CollectionList/CollectionListRow.jsx
index 05ef9dce..69a04219 100644
--- a/client/modules/IDE/components/CollectionList/CollectionListRow.jsx
+++ b/client/modules/IDE/components/CollectionList/CollectionListRow.jsx
@@ -9,26 +9,9 @@ import * as ProjectActions from '../../actions/project';
 import * as CollectionsActions from '../../actions/collections';
 import * as IdeActions from '../../actions/ide';
 import * as ToastActions from '../../actions/toast';
+import AddRemoveButton from '../../../../components/AddRemoveButton';
 
 const downFilledTriangle = require('../../../../images/down-filled-triangle.svg');
-const addIcon = require('../../../../images/plus.svg');
-const removeIcon = require('../../../../images/minus.svg');
-
-const AddRemoveButton = ({ type, onClick }) => {
-  const alt = type === 'add' ? 'add to collection' : 'remove from collection';
-  const icon = type === 'add' ? addIcon : removeIcon;
-
-  return (
-    <button className="overlay__close-button" onClick={onClick}>
-      <InlineSVG src={icon} alt={alt} />
-    </button>
-  );
-};
-
-AddRemoveButton.propTypes = {
-  type: PropTypes.oneOf(['add', 'remove']).isRequired,
-  onClick: PropTypes.func.isRequired,
-};
 
 class CollectionListRowBase extends React.Component {
   static projectInCollection(project, collection) {
diff --git a/client/modules/IDE/components/SketchList.jsx b/client/modules/IDE/components/SketchList.jsx
index b430df14..09d19168 100644
--- a/client/modules/IDE/components/SketchList.jsx
+++ b/client/modules/IDE/components/SketchList.jsx
@@ -10,11 +10,13 @@ import classNames from 'classnames';
 import slugify from 'slugify';
 import * as ProjectActions from '../actions/project';
 import * as ProjectsActions from '../actions/projects';
+import * as CollectionsActions from '../actions/collections';
 import * as ToastActions from '../actions/toast';
 import * as SortingActions from '../actions/sorting';
 import * as IdeActions from '../actions/ide';
 import getSortedSketches from '../selectors/projects';
 import Loader from '../../App/components/loader';
+import AddRemoveButton from '../../../components/AddRemoveButton';
 
 const arrowUp = require('../../../images/sort-arrow-up.svg');
 const arrowDown = require('../../../images/sort-arrow-down.svg');
@@ -134,10 +136,100 @@ class SketchListRowBase extends React.Component {
     }
   }
 
+  renderDropdown = () => {
+    const { optionsOpen } = this.state;
+    const userIsOwner = this.props.user.username === this.props.username;
+
+    return (
+      <td className="sketch-list__dropdown-column">
+        <button
+          className="sketch-list__dropdown-button"
+          onClick={this.toggleOptions}
+          onBlur={this.onBlurComponent}
+          onFocus={this.onFocusComponent}
+        >
+          <InlineSVG src={downFilledTriangle} alt="Menu" />
+        </button>
+        {optionsOpen &&
+          <ul
+            className="sketch-list__action-dialogue"
+          >
+            {userIsOwner &&
+            <li>
+              <button
+                className="sketch-list__action-option"
+                onClick={this.handleRenameOpen}
+                onBlur={this.onBlurComponent}
+                onFocus={this.onFocusComponent}
+              >
+                Rename
+              </button>
+            </li>}
+            <li>
+              <button
+                className="sketch-list__action-option"
+                onClick={this.handleSketchDownload}
+                onBlur={this.onBlurComponent}
+                onFocus={this.onFocusComponent}
+              >
+                Download
+              </button>
+            </li>
+            {this.props.user.authenticated &&
+            <li>
+              <button
+                className="sketch-list__action-option"
+                onClick={this.handleSketchDuplicate}
+                onBlur={this.onBlurComponent}
+                onFocus={this.onFocusComponent}
+              >
+                Duplicate
+              </button>
+            </li>}
+            { /* <li>
+              <button
+                className="sketch-list__action-option"
+                onClick={this.handleSketchShare}
+                onBlur={this.onBlurComponent}
+                onFocus={this.onFocusComponent}
+              >
+                Share
+              </button>
+            </li> */ }
+            {userIsOwner &&
+            <li>
+              <button
+                className="sketch-list__action-option"
+                onClick={this.handleSketchDelete}
+                onBlur={this.onBlurComponent}
+                onFocus={this.onFocusComponent}
+              >
+                Delete
+              </button>
+            </li>}
+          </ul>}
+      </td>
+    );
+  }
+
+  renderAddRemoveButtons = () => {
+    return (
+      <td className="sketch-list__dropdown-column">{
+        this.props.inCollection ? 
+          <AddRemoveButton type="remove" onClick={this.props.onCollectionRemove} />  :
+          <AddRemoveButton type="add" onClick={this.props.onCollectionAdd} />
+        }
+      </td>
+    );
+  }
+
+  renderActions = () => {
+    return this.props.addMode === true ? this.renderAddRemoveButtons() : this.renderDropdown();
+  }
+
   render() {
     const { sketch, username } = this.props;
-    const { renameOpen, optionsOpen, renameValue } = this.state;
-    const userIsOwner = this.props.user.username === this.props.username;
+    const { renameOpen, renameValue } = this.state;
     let url = `/${username}/sketches/${sketch.id}`;
     if (username === 'p5') {
       url = `/${username}/sketches/${slugify(sketch.name, '_')}`;
@@ -164,74 +256,7 @@ class SketchListRowBase extends React.Component {
         </th>
         <td>{format(new Date(sketch.createdAt), 'MMM D, YYYY h:mm A')}</td>
         <td>{format(new Date(sketch.updatedAt), 'MMM D, YYYY h:mm A')}</td>
-        <td className="sketch-list__dropdown-column">
-          <button
-            className="sketch-list__dropdown-button"
-            onClick={this.toggleOptions}
-            onBlur={this.onBlurComponent}
-            onFocus={this.onFocusComponent}
-          >
-            <InlineSVG src={downFilledTriangle} alt="Menu" />
-          </button>
-          {optionsOpen &&
-            <ul
-              className="sketch-list__action-dialogue"
-            >
-              {userIsOwner &&
-              <li>
-                <button
-                  className="sketch-list__action-option"
-                  onClick={this.handleRenameOpen}
-                  onBlur={this.onBlurComponent}
-                  onFocus={this.onFocusComponent}
-                >
-                  Rename
-                </button>
-              </li>}
-              <li>
-                <button
-                  className="sketch-list__action-option"
-                  onClick={this.handleSketchDownload}
-                  onBlur={this.onBlurComponent}
-                  onFocus={this.onFocusComponent}
-                >
-                  Download
-                </button>
-              </li>
-              {this.props.user.authenticated &&
-              <li>
-                <button
-                  className="sketch-list__action-option"
-                  onClick={this.handleSketchDuplicate}
-                  onBlur={this.onBlurComponent}
-                  onFocus={this.onFocusComponent}
-                >
-                  Duplicate
-                </button>
-              </li>}
-              { /* <li>
-                <button
-                  className="sketch-list__action-option"
-                  onClick={this.handleSketchShare}
-                  onBlur={this.onBlurComponent}
-                  onFocus={this.onFocusComponent}
-                >
-                  Share
-                </button>
-              </li> */ }
-              {userIsOwner &&
-              <li>
-                <button
-                  className="sketch-list__action-option"
-                  onClick={this.handleSketchDelete}
-                  onBlur={this.onBlurComponent}
-                  onFocus={this.onFocusComponent}
-                >
-                  Delete
-                </button>
-              </li>}
-            </ul>}
-        </td>
+        {this.renderActions()}
       </tr>);
   }
 }
@@ -311,6 +336,14 @@ class SketchList extends React.Component {
     );
   }
 
+  handleCollectionAdd = (sketchId) => {
+    this.props.addToCollection(this.props.collection.id, sketchId);
+  }
+
+  handleCollectionRemove = (sketchId) => {
+    this.props.removeFromCollection(this.props.collection.id, sketchId);
+  }
+
   render() {
     const username = this.props.username !== undefined ? this.props.username : this.props.user.username;
     return (
@@ -337,6 +370,10 @@ class SketchList extends React.Component {
                   sketch={sketch}
                   user={this.props.user}
                   username={username}
+                  addMode={this.props.addMode}
+                  onCollectionAdd={() => this.handleCollectionAdd(sketch.id)}
+                  onCollectionRemove={() => this.handleCollectionRemove(sketch.id)}
+                  inCollection={this.props.collection && this.props.collection.items.find(item => item.project.id === sketch.id) != null}
                 />))}
             </tbody>
           </table>}
@@ -365,12 +402,7 @@ SketchList.propTypes = {
     field: PropTypes.string.isRequired,
     direction: PropTypes.string.isRequired
   }).isRequired,
-  project: PropTypes.shape({
-    id: PropTypes.string,
-    owner: PropTypes.shape({
-      id: PropTypes.string
-    })
-  })
+  addMode: PropTypes.bool,
 };
 
 SketchList.defaultProps = {
@@ -392,7 +424,7 @@ function mapStateToProps(state) {
 }
 
 function mapDispatchToProps(dispatch) {
-  return bindActionCreators(Object.assign({}, ProjectsActions, ToastActions, SortingActions), dispatch);
+  return bindActionCreators(Object.assign({}, ProjectsActions, CollectionsActions, ToastActions, SortingActions), dispatch);
 }
 
 export default connect(mapStateToProps, mapDispatchToProps)(SketchList);
diff --git a/client/modules/User/components/Collection.jsx b/client/modules/User/components/Collection.jsx
index 480001e8..73ca442f 100644
--- a/client/modules/User/components/Collection.jsx
+++ b/client/modules/User/components/Collection.jsx
@@ -16,6 +16,8 @@ import * as IdeActions from '../../IDE/actions/ide';
 import { getCollection } from '../../IDE/selectors/collections';
 import Loader from '../../App/components/loader';
 import EditableInput from '../../IDE/components/EditableInput';
+import Overlay from '../../App/components/Overlay';
+import SketchList from '../../IDE/components/SketchList';
 
 const arrowUp = require('../../../images/sort-arrow-up.svg');
 const arrowDown = require('../../../images/sort-arrow-down.svg');
@@ -232,6 +234,12 @@ class Collection extends React.Component {
     this.props.getCollections(this.props.username);
     this.props.resetSorting();
     this._renderFieldHeader = this._renderFieldHeader.bind(this);
+    this.showAddSketches = this.showAddSketches.bind(this);
+    this.hideAddSketches = this.hideAddSketches.bind(this);
+
+    this.state = {
+      isAddingSketches: false,
+    };
   }
 
   getTitle() {
@@ -318,9 +326,21 @@ class Collection extends React.Component {
     );
   }
 
+  showAddSketches() {
+    this.setState({
+      isAddingSketches: true,
+    });
+  }
+
+  hideAddSketches() {
+    this.setState({
+      isAddingSketches: false,
+    });
+  }
+
   _renderEmptyTable() {
     if (!this.hasCollectionItems()) {
-      return (<p className="sketches-table__empty">No sketches in collection.</p>);
+      return (<p className="sketches-table__empty">No sketches in collection. <button onClick={this.showAddSketches}>Add some sketches</button></p>);
     }
     return null;
   }
@@ -379,8 +399,19 @@ class Collection extends React.Component {
                     />))}
                 </tbody>
               </table>
+
+              <p><button onClick={this.showAddSketches}>Add more sketches</button></p>
             </div>
           }
+          {
+            this.state.isAddingSketches && (
+              <Overlay title="Add sketches" closeOverlay={this.hideAddSketches}>
+                <div className="collection-add-sketch">
+                  <SketchList username={this.props.username} addMode collection={this.props.collection} />
+                </div>
+              </Overlay>
+            )
+          }
         </div>
       </section>
     );
diff --git a/client/styles/components/_collection.scss b/client/styles/components/_collection.scss
index 92768d38..2927ec62 100644
--- a/client/styles/components/_collection.scss
+++ b/client/styles/components/_collection.scss
@@ -43,3 +43,8 @@
 .collection-table-wrapper {
   margin: #{28 / $base-font-size}rem #{56 / $base-font-size}rem;
 }
+
+.collection-add-sketch {
+  padding: #{24 / $base-font-size}rem;
+  overflow: scroll;
+}