Create unique, multicolored crayons and swirling crayon toys with the Crayola Melt ‘n Mold Factory Kit! Simply add your custom combination of colorful crayon bits to the melting tray, turn it on, and watch your crayons melt together. Pour the melted wax into molds to create custom crayons or crayon toys. The Crayola Melt ‘n Mold Factory Kit comes with 24 colorful crayons, two easy-to-use molds and one mold holder. Plus, the Melt ‘N Mold Factory easily works with any of the Crayola expansion packs (sold separately).