(image) What a great idea for the kids / grandkids! Perfect DIY project & recycle those used / broken crayon pieces, too. Would make for a great party favor, gift for Valentine's Day (or other occasions) or gift from Teacher to Students! Love it!
How to remove crayon from a silicon mold. Generously spray no stick cooking spray into the crayon affected areas in and on mold. Let sit for a few moments and crayon residue will easily wipe out. Wash mold and your good to reuse the mold! No more leftover wax!
Crafty Crayon Molds--Fill foil cupcake liners about two-thirds full with unwrapped crayon stubs in assorted colors, place in a muffin tin, and bake at 275 degrees until melted (about 10 minutes). Then freeze for cool colorers with zigzag edges.
Melted crayon hearts: A boy in my class a couple years ago gave these as little Valentines made out of melted crayons. He said, "For Crayon Out Loud, Happy Valentine's Day". could also say, "You COLOR my world!" Use silicone cups to melt them in.