I used to melt them in old muffin tins on a low head to made large crayons.
Great fun for the younger grades. You can mix the colors, or make them all
one color They work good for making rubbings and filling in large areas. You
can also make shapes if you buy shaped pans. Be aware, that you won't be able
to use the muffin pans for regular baking again. Watch the melting carefully
to avoid a fire.JH