Polydron Bridges Set

Build any of the eight bridges, one at a time using the 12 work cards included in this pack. You can build the following bridges: truss, suspension, cantilever, drawbridge, cable stay, swing and bascule. Each square piece measures 7.5 x 7.5cm.This 134 piece set contains: 26 Frameworks Squares, 22 Frameworks Equilateral Triangles, 8 Squares, 10 Frameworks Rectangles, 20 Frameworks Right Angle Triangles, 4 Frameworks Isosceles Triangles, 4 Frameworks Root 2 Triangles, 4 Struts 330mm, 2 Struts 110mm, 2 Struts 80mm, 4 Pulleys, 2 Handles, 4 Square Holes, 2 Rectangles with 2 Holes, 2 Hinges, 8 Double Squares, 4 Eyelets, 2 Plinths, 2 Laces with ends, 4 Laces, 2 Suspension Laces, Work cards, and a book. Age: 9+.