Rainbow coloured rice!
 

A tactile way to explore 5 of the 7 rainbow colours, with purple substituted for indigo & violet, is through rice!


Have fun with the colouring process where children make their own dyed rice using tubs or zip-lock bags.

About rainbows - wikipedia

The Rainbow storybook by Felicia Law - on amazon.co.uk

Rainbows and disc printables added to help with sorting and colour naming activities.