Melissa from The Joys of Home Educating made these fantastic crayon hearts to give to her kids' friends for Valentine's Day. I think this is a terrific idea and my silicone heart molds are on their way right now from Amazon so I can make some for my daughter and her friends.
The best part is they are simple to do. Put your broken crayon pieces in silcone cupcake trays and place in the oven at 250 degrees for about 15 minutes. That's it!