Cardboard Heroes Castles: Walls and TowersPrint a castle you can put in your backpack! Cardboard Heroes Castles are great looking 3 D structures that are easy to set up for play . . . and designed to fold down again for travel and storage! This set continues the Cardboard Heroes tradition of great miniatures and accessories, with four towers and four walls (plus assorted castle goodies). Assemble a set as a full castle or two smaller strongpoints. Cardboard Heroes Castles are full color,