266 pieces of 7 different mathematical shapes with 2 Polydron protractors. Ideal for the active classroom. Enables you to build many types of nets, prisms, cuboids and pyramids and cover all the activities in the 'Mathematics with Polydron' Book. With storage container and exploring booklet. Geometric Construction System, designed to promote creative and educational development. The brightly coloured pieces made from tough ABS plastic simply snap together allowing them to hinge through 260 Degrees, and are highly flexible. POLYDRON is a favourite with teachers of the National Curriculum because of its wide range of applications.