This cardboard playhouse is made in the USA using 100% recycled cardboard materials. The unique design allows for a sturdy drawing surface, ease of use, and reliability during play. From brave knights to carriage riding princesses, every child enjoys creating its own. The Adventure Castle is eco-friendly and encourages creative play. How Crafty Kids Playhouses™ is a Green Company The company’s products are made in the USA using 100% recycled cardboard materials. It started in 2009 with the purpose of providing eco-friendly products that would be a catalyst for the imagination and creativity that lies within children.