I've seen this on a few blogs/websites/random places, so I don't know who to properly link to, but I decided to try it with the Punk today. Icy Fun! I froze mini-muffin cups full of food-colored water, and let him have at it in a casserole dish. Stacking, skating, blending colors, swimming, building, stirring, I can't list all the things he did with these little cold gems! This activity will be repeated a number of times, I am sure.