Ideal for the active classroom. 266 pieces of 7 different mathematical shapes. Enables you to build many types of nets, prisms, cuboids and pyramids and covers all the activities in the "Mathematics with Polydron" resource book. Packed in a sturdy case for easy transportation. The set comprises 80 Equilateral Triangles, 40 Right Angle triangles, 60 Isosceles Triangles, 24 Root 2 Triangles, 30 Squares, 20 Hexagons, and 12 Pentagons and 2 Polydron protractors. Exploring activity booklet included.