OK a bit messy, but lots of fun! Make your own edible finger paint for the kids. Its cheap to make and safe to use and if theres any left over, store it in the fridge or freezer to use for another day.
Encourage the kids to grow their own vegetables. These simple Egg Cress Heads are a great place to start as theyre easy to make and take nearly no time at all to grow. They also make a great alternative to chocolate Easter eggs.