For step-by-step instructions, see our Milk Carton Bird Feeder craft. https://www.crayola.com/crafts/milk-c... Tweet, tweet! Repurpose a milk carton into an easy DIY bird feeder for kids with this clever upcycled craft idea. Watch our video and learn how to make a milk carton bird feeder as an Earth Day craft using recycled materials. Use Crayola art supplies and a few items from home to turn a carton into a bird feeder. Hang the homemade feeder outside, fill with seed, and let all of your feathered friends enjoy!