Crayola ColorCycle will accept all brands of plastic markers, not just Crayola markers. That includes dry erase markers and highlighters! ColorCycle will eliminate placing hundreds of tons of markers into landfills.” There do seem to be some limits, however, as far as I can tell, anyone can ship in a box of markers. “Any sturdy cardboard box with minimal outer markings will work. The more markers you ship, the more efficient this program will be
