This would be cool with a little shadow person holding an umbrella under different color blues! :) melted in 250 degree oven - think it looks neater than with blowdryer. from Naptime = Craft time!: MORE Melted Crayon Craziness!
DIY - Sharpie Coasters, ceramic tiles (free or very inexpensive at any home store center), rubbing alcohol added with a straw or eyedropper, (for the colors to mix) -- Great inexpensive gifts!(Diy Ideas For The Home)