DIY Glitter Magnets - an easy craft idea for kids too. J in the Library's note: Though glitter is almost guaranteed to be messy, this is a relatively easy project that would only take 2 library classes, or 2 meetings of a maker club.
Shaving Cream Bathtub Paint - kids love it and it cleans the tub! and so easy to make. Oh I'm gonna do this.Shaving Cream Bathtub Paint - Use a muffin tin with shaving cream squirted into each cup & mixed with different colors of food coloring.