On Tuesday we tried an idea I've seen on several blogs, most recently Chasing Cheerios: shaving cream and food coloring art! It was a lot of fun...messy, but so worth it! Next time, I think we'll do this outside or in the tub so the mess can spread even further! It was only very reluctantly that we cleaned up (expecting company!).
First we spread shaving cream all over a cookie sheet and M. added food coloring where he liked: