Unlock the secrets of bridge building;Step by step instructions to piece together truss, suspension, cantilever, drawbridge, cablestay swing & bascule bridges;Encourages children to go beyond the set shapes;Wonderful hands-on tool with connections to math, science and history;Includes work cards and booklet. Age 9+

• Polydron Bridges Class Set (322 Pieces)

Polydron Bridges Class Set (322 Pieces)Polydron