Mighty Tub This product has proved to be a real winner around the world. It contains 223 pieces of POLYDRON and frameworks and is an excellent addition to a primary classroom with children aged 4 years and upwards. There are also wheels in every pack so children can create moving models if they wish. Each pack contains a work sheet that the children can refer to in order to build various models. Midi Tub An excellent addition to any classroom’s construction section. A good range of POLYDRON pieces and a few frameworks additions that will encourage children to exercise their fine and gross manipulative skills whilst overcoming simple problem solving techniques. By using the different pieces the users will also practice the use of colour recognition. The product comes packed in a bucket which will aid the speedy unpacking and repacking of the product during lessons. 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.