I help out at a local Carer and Toddler group. We often do crafty things with them and I was ask to think of something. I used a well known search engine on the internet and first on the on the list of suggestions was this idea https://entertainingmonsters.wordpress.com/2012/10/29/rainbow-sunshine-toddler-craft/
So here is my example…….
and here some the children made.