Learn how to paint with lessons from Derwent! The Grate 'n' Shake is perfect for making a paint or ink using Derwent Inktense Blocks. This video clip shows you how to add water to your container, grate the Inktense Blocks into the water and then shake to make paint. The lid easily twists off so you can access the paint easily and the grater in the top can easily be removed for cleaning. Running time approx. 3 minutes.