Eco-Friendly Crayons June 2, 2015 Email You can find crayons made from soy and ones made from beeswax, both of which are completely biodegradable and paraffin wax free. Sparkle Star Crayons even makes new crayons from old ones, thus preventing those crayon stubs from ending up in landfills. Here’s a list of 7 non-toxic, eco-friendly crayon sets you can buy.