diff --git a/addon/components/visjs-edge.js b/addon/components/visjs-edge.js
index 144c93d..2248879 100644
--- a/addon/components/visjs-edge.js
+++ b/addon/components/visjs-edge.js
@@ -24,6 +24,32 @@ export default VisJsChild.extend({
     return `${this.get('from')}-${this.get('to')}`;
   }),
 
+  /**
+   * @public
+   *
+   * If set this defines edge's weight (thickness).
+   * @type {Number}
+   */
+  value: undefined,
+
+  valueChanged: Ember.observer('value', function() {
+    let container = this.get('containerLayer');
+    container.updateEdgeValue(this.get('eId'), this.get('value'));
+  }),
+
+  /**
+   * @public
+   *
+   * If set this defines edge's color
+   * @type {Int}
+   */
+  color: undefined,
+
+  colorChanged: Ember.observer('color', function() {
+    let container = this.get('containerLayer');
+    container.updateEdgeColor(this.get('eId'), this.get('color'));
+  }),
+
   arrowChanged: Ember.observer('arrows', function() {
     let container = this.get('containerLayer');
     container.updateEdgeArrow(this.get('eId'), this.get('arrows'));
diff --git a/addon/components/visjs-network.js b/addon/components/visjs-network.js
index 8714829..6c32b45 100644
--- a/addon/components/visjs-network.js
+++ b/addon/components/visjs-network.js
@@ -16,7 +16,7 @@ export default Ember.Component.extend(ContainerMixin, {
     this._super(...arguments);
 
     this.set('nodes', new vis.DataSet([]));
-    this.set('edges', new vis.DataSet([]));
+    this.set('edges', new vis.DataSet(this.get('edgesSet')));
   },
 
   didInsertElement() {
@@ -32,6 +32,13 @@ export default Ember.Component.extend(ContainerMixin, {
       options
     );
 
+    if(this.get('nodesSet') && this.get('edgesSet')) {
+      network.setData({
+        nodes: this.get('nodesSet'),
+        edges: this.get('edgesSet')
+      });
+    }
+
     let _this = this;
 
     network.on('selectNode', (e) => {
@@ -170,6 +177,10 @@ export default Ember.Component.extend(ContainerMixin, {
       simplifiedNode.y = node.get('posY');
     }
 
+    if (node.get('value') || node.get('value') === 0) {
+      simplifiedNode.value = node.get('value');
+    }
+
     if (node.get('image')) {
       simplifiedNode.shape = 'image';
       simplifiedNode.image = node.get('image');
@@ -186,6 +197,14 @@ export default Ember.Component.extend(ContainerMixin, {
       simplifiedEdge.arrows = edge.get('arrows');
     }
 
+    if (edge.get('value')) {
+      simplifiedEdge.value = edge.get('value');
+    }
+
+    if (edge.get('color')) {
+      simplifiedEdge.color = edge.get('color');
+    }
+
     edges.add(simplifiedEdge);
   },
 
diff --git a/addon/components/visjs-node.js b/addon/components/visjs-node.js
index 1e3d64f..91dbc14 100644
--- a/addon/components/visjs-node.js
+++ b/addon/components/visjs-node.js
@@ -52,6 +52,19 @@ export default VisJsChild.extend({
   imageChanged: Ember.observer('image', function() {
     let container = this.get('containerLayer');
     container.updateNodeImage(this.get('nId'), this.get('image'));
+  }),
+
+  /**
+   * @public
+   *
+   * If set, a value would be set to alter node's size
+   * @type {Number}
+   */
+  value: false,
+
+  valueChanged: Ember.observer('value', function() {
+    let container = this.get('containerLayer');
+    container.updateNodeValue(this.get('nId'), this.get('value'));
   })
 
 });