Heart Crayon Valentine’s! ❤️ Free printable linked above.. This is a very easy craft project idea. You will need the following items: About 60-75 crayons (I prefer Crayola.) Sharp knife Heart Silicone mold Using a very sharp knife, cut through the wrapper on each crayon length-wise and remove it. Break the crayons into small pieces, if they are not already broken. Sort the crayons by colors that will work well together — greens and yellows; blues and purples; and pinks and reds. Fill each heart