Polydron Engineering Class Set

Allows for the construction of 12 different models. 3 to 4 models can be made at once. Gears include simple ratios – 8, 16 and 24 teeth. Each square piece measures 7.5 x 7.5cm. The set contains: 4 Baseboards, 6 Small gears, 6 Medium gears, 6 Large Gears, 8 Small pulleys, 4 Medium Pulleys, 2 ‘O’ Rings 410mm, 2 Handles, 2 x 80mm struts, 3 x 90mm struts, 8 180mm Struts,1 x 200mm Struts,3 x 330mm Struts,18 Stub Axles, 8 Stub Axle Connectors, 12 Squares, 22 Squared with circular strut hole, 10 Squared with strut hole, 40 Frameworks Squared, 20 Double Frameworks Squares, 14 Frameworks Rectangles, 24 Frameworks Right Angle Triangles, 8 Frameworks Equilateral Triangles, 4 Octagon with cut-outs, 1 2m Long Cord,1 2m long cord with clip, 1 x 3 Hole Linkage, 4 x 7 Hole linkage, 8 Cams & Work Cards. Age: 9+.