A comprehensive set containing over 450 pieces a great value addition to any classroom. This is the most economical way to buy a bulk set of quality Polydron. This is the most economical way to buy a bulk set of quality Polydron. Includes a mixture of Original Polydron and Polydron Framework pieces. Contains 456 pieces including 80 solid squares, 80 framework squares, 100 solid equilateral triangles, 160 framework equilateral triangles, 12 large wheels, 12 axle mounts and 12 stub axles. Shapes are supplied in 4 colours. The original and still superior construction shape. Recognised in many countries as the world's leading resource for teaching shape and space, 2D and 3D geometry, and design and technology. The unique joints readily snap together giving a superior hinge. Square pieces measure 7.3 x 7.3cm (2.88 x 2.88 inches). Dimensions: L x W x H (cm): 43.5 x 31.5 x 15.5Ages: 4+
