TeePee sand box from bamboo poles lodged in a tractor tire, tied together at the top, then draped with a sheet or canvas material. How fun! My nephews would love this! from Irresistible Ideas for Play Based Learning.
Rainbow rice, a cup and a half of rice, a tablespoon of vinegar, and food coloring. Put in a container and shake. When you have made all the colors you want, place grains of rice on a cookie sheets and bake for 10 mins at 175*