House Of Marbles Marvellous Marble Run 50-Piece Construction Set air-ops-barbie - Eco-friendly materials: recycled board

- Eco-friendly materials: recycled board and vegetable-based ink

- Ideal for creative expression and developing design skills

perfect for hands-on learning

- Explore mysterious school grounds and face mythical creatures

- Includes 73 computer interfaced experiments

House Of Marbles Marvellous Marble Run 50-Piece Construction Set air-ops-barbie - Eco-friendly materials: recycled boardThe House of Marbles 50 Piece Marvellous Marble Run Construction Set delivers hands on building play with heavy duty plastic tubes and chutes that snap together to create custom marble courses. This set includes 50 durable plastic pieces in assorted colors and sizes, plus a generous assortment of marbles to send racing through each configuration. Designed for ages 3 and up, the snap together design lets young builders assemble and reconfigure their