eChalk has gone mobile!
This activity will run on any browser that supports HTML5 or Flash. This includes mobile devices such as iPads, Kindle and Android tablets as well as PCs or Macs.
We have detected that your browser does not support HTML5 to the required level (specifically it needs to support the 'canvas' element) or Flash. If you can update your current browser or install a modern one we recommend that you do so.
You can still take a look at our other interactive mobile content
by clicking the button below: