Walmart offers the Crayola Melt 'n Mold Factory Kit for $29. Opt for free in-store pickup to avoid the $4.97 shipping charge. (Amazon sells it for the same price.) That's the lowest total price we could find by $11. This kit, which allows you to melt crayons to create custom crayons or crayon toys, features 24 crayons, two molds, and one mold holder.