This sounds like the perfect entertainer for kids - Homemade Glow in the Dark Slime Recipe - Keep kids busy for hours! This is the perfect summer craft project - it's bright, squishy and tons of fun to make.
The ULTIMATE guide to slimes. Recipes for slimes, flubber, flarp, and even edible (taste-safe) slimes! Fun for all ages. In addition to recipes, there are several fun ideas for how to play with slimes. From Fun at Home with Kids new fun for babysitting
Here is a sure fire way to WOW this Summer! Make your own glow in the dark chalk using only two ingredients plus water. This chalk glows in the dark, under UV light, and it even works in broad daylight! (SUPER Summer FUN from Growing a Jeweled Rose)