Food Colors in the Bathtub

There are lots of toys you can get for the bathtub, including crayons etc. But the best fun and learning I've found to date are simple food colors.

First, stock the bathroom with lots of fun cups. For example: plastic measuring cups, dishwasher cleaned containers with lids from snacks or butter tubs, funnels, etc.

Play time is just adding a few drops of color to kid's cups and letting them mix and splash them out. I often run the shower with the drain just partially open, letting the colors drain away. But sticking with just one or two colors and letting the whole tub turn a nice shade is good too.