diff --git a/README.md b/README.md
index 6c3ef700..e56623a4 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Jupyter notebook extension for K3D visualization library.
 
 * [bower](http://bower.io/#install-bower) (to fetch K3D dependency)
 * [pip](https://pypi.python.org/pypi/pip) (to install Python module)
+* [jupyter-pip](https://pypi.python.org/pypi/jupyter-pip) (to install Jupyter nbextension)
+* [numpy](https://pypi.python.org/pypi/numpy) (for efficient data manipulation)
 
 ## Installation
 
diff --git a/bower.json b/bower.json
index 6e81db08..b07f59a0 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "k3d-jupyter",
-  "version": "0.9.0",
+  "version": "1.0.0",
   "authors": [
     "Artur Trzesiok <artur.trzesiok@gmail.com>",
     "Sebastian Kremiec <sebastian.kremiec@gmail.com>"
@@ -8,7 +8,7 @@
   "description": "Juyter notebook extension for K3D visualization library.",
   "license": "GPLv2",
   "dependencies": {
-    "k3d": "~0.12.0",
+    "k3d": "~1.0.0",
     "pako": "~0.2.8"
   }
 }
diff --git a/examples/voxels_edit.ipynb b/examples/voxels_edit.ipynb
index ac6dd015..7c96e6ea 100644
--- a/examples/voxels_edit.ipynb
+++ b/examples/voxels_edit.ipynb
@@ -9,15 +9,21 @@
    "outputs": [],
    "source": [
     "from k3d import K3D\n",
+    "from ipywidgets import interact, IntSlider\n",
     "\n",
     "width = height = length = 3\n",
     "\n",
-    "color_map = (0xFF0000,) * width * height * length\n",
+    "color_map = (0xFF0000, 0x00FF00)\n",
     "voxels = (1,) * width * height * length\n",
     "obj = K3D.voxels(voxels, color_map, width=width, height=height, length=length)\n",
     "\n",
-    "plot = K3D()\n",
+    "plot = K3D(voxel_paint_color=2)\n",
     "plot += obj\n",
+    "\n",
+    "@interact(color=IntSlider(value=plot.voxel_paint_color, min=0, max=len(color_map)))\n",
+    "def color(color):\n",
+    "    plot.voxel_paint_color = color\n",
+    "\n",
     "plot.display()"
    ]
   },
diff --git a/k3d/__init__.py b/k3d/__init__.py
index 8a8778c6..5b4fb891 100644
--- a/k3d/__init__.py
+++ b/k3d/__init__.py
@@ -1,6 +1,6 @@
 from ipywidgets import DOMWidget
 from IPython.display import display
-from traitlets import Unicode, Bytes, Dict, Bool
+from traitlets import Unicode, Bytes, Dict, Bool, Int
 from functools import partial
 from .factory import Factory
 from .objects import Drawable
@@ -23,8 +23,9 @@ class K3D(DOMWidget, Factory):
     camera_auto_fit = Bool(sync=True)
     data = Bytes(sync=True)
     parameters = Dict(sync=True)
+    voxel_paint_color = Int(sync=True)
 
-    def __init__(self, antialias=False, background_color=0xFFFFFF, camera_auto_fit=True, height=512):
+    def __init__(self, antialias=False, background_color=0xFFFFFF, camera_auto_fit=True, height=512, voxel_paint_color=0):
         super(K3D, self).__init__()
         self.on_msg(self.__on_msg)
 
@@ -39,6 +40,7 @@ def __init__(self, antialias=False, background_color=0xFFFFFF, camera_auto_fit=T
             'backgroundColor': background_color,
             'height': height,
         }
+        self.voxel_paint_color = voxel_paint_color
 
     def __add__(self, obj):
         assert isinstance(obj, Drawable)
diff --git a/k3d_widget/view.js b/k3d_widget/view.js
index a231eec9..12ddc355 100644
--- a/k3d_widget/view.js
+++ b/k3d_widget/view.js
@@ -27,26 +27,36 @@ define(['nbextensions/widgets/widgets/js/widget', 'k3d/providers/k3d.threejs.min
 
                 this.model.on('change:camera_auto_fit', this._setCameraAutoFit, this);
                 this.model.on('change:object', this._onObjectChange, this);
+                this.model.on('change:voxel_paint_color', this._setVoxelPaintColor, this);
                 this.model.on('fetchData', this._fetchData, this);
             },
 
             _init: function () {
                 var renderer = new THREE.WebGLRenderer({
-                    antialias: this.parameters.antialias,
-                });
+                        antialias: this.parameters.antialias,
+                    }),
+                    self = this;
 
                 this.K3D = K3D.Core(K3D.Providers.ThreeJS, this.container, {
                     renderer: renderer
+                }, function (newInstance) {
+                    self.K3D = newInstance;
                 });
 
                 renderer.setClearColor(this.parameters.backgroundColor);
                 this._setCameraAutoFit();
+                this._setVoxelPaintColor();
             },
 
             _setCameraAutoFit: function () {
                 this.K3D.setCameraAutoFit(this.model.get('camera_auto_fit'));
             },
 
+            _setVoxelPaintColor: function () {
+                this.K3D.parameters.voxelPaintColor = this.model.get('voxel_paint_color');
+                console.log(this.K3D.parameters.voxelPaintColor);
+            },
+
             _onObjectChange: function (model, object) {
                 if (object.type) {
                     return this._add(object);
diff --git a/setup.py b/setup.py
index c4a6e413..55395791 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@ def run(self):
     version=version,
     packages=['k3d'],
     include_package_data=True,
-    install_requires=['jupyter-pip'],
+    install_requires=['ipywidgets', 'jupyter-pip', 'numpy'],
     cmdclass={
         'install': InstallK3D
     },