Grooved shapes and pegged posts add an extra dimension of challenge to this colorful 12-piece puzzle. Join the four puzzle bases together and then twist the shapes onto the differently shaped posts. Have great fun strengthening hand-eye coordination, fine-motor, and problem solving skills. Expertly crafted from Baltic Birch plywood and hardwood. Durable child safe paint finish and solid wood construction are hallmarks of Hape toys. Hape's toys stimulate children through every stage of development and help nurture and develop their natural abilities. All Hape products sold in North America meet or exceed all applicable safety standards.