Go green with Crayola® Black Markers. Make your mark on the environment with Crayola's new eco-friendly markers. Bring the family to Michael's on July 31 from 10 AM - 2PM, join the fun and create something Mother Nature will surely love. The black marker barrel represents items manufactured with recycled plastic and the same superior quality. Ages 4 and up welcome. Powered by Crayola®. While supplies last.