This genius idea just seems too simple. Create a pen caddy with toilet paper rolls and an old shoe box! Or, use them to organize those pesky cords. ( this page isn't found but I think you get the idea )
Painting with Watercolors, Glue and Salt. Kids will love being creative and making designs with the glue. The salt creates a pretty starburst effect by soaking up paint pigments as the painting dries. And as an extra bonus: the salt sparkles!
Fun art project with the kids! Easy abstract painting that anyone can do! Just blob the paint on the canvas in random spots and blend! (would be interesting how students could make different pictures w/ the same colors and same blob positions)
Indoor Activities for Kids: Homemade Lava Lamps. Vegetable oil, a about of the water bottle, then water. 10 drops of food coloring. Then take a alkaseltzer tab and break it into 4 pieces. Drop one in at a time and wait for each to dissove!