Nic toys are beautifully crafted following Waldorf and Montessori philosophies that encourage children to discover creative play independently. Toddlers will love this beautiful multi-track marble run! Nic toys are beautifully crafted following Waldorf and Montessori philosophies that encourage children to discover creative play independently. Size: 45cm high Materials: Beech wood Age range : Not suitable for children under 10 months old.