Recycled Cardboard Tube Monsters I love these recycled cardboard tube monsters! This is the perfect halloween craft for kids.I love these recycled cardboard tube monsters! This is the perfect halloween craft for kids. Halloween Crafts For Kids, Fall Crafts, Halloween Fun, Holiday Crafts, Nature Crafts, Vintage Halloween, Cardboard Tube Crafts, Toilet Paper Roll Crafts, Cardboard Playhouse