Kid Group Set, Age: 3+, Big, soft, chunky pieces can be used by children with varying manipulative skills. Build 8 models from 1:1 correspondence cards or create your own creatures using the 131 parts, including 10 eyes and 2 ears/wings, Models are easily assembled
Statistic and Dynamic Study of Torsion, Consists of a plate with central hole equipped with two pulleys with ball bearing. Set of 7 torsion lines with tips. Eight round weights
Dynamics Cart Set, 3 Wheeled (Set Of 2) - 12in X 3.5in, Dynamic Trolley - 3 Wheeled, Without Hoops, Carts Have With Low-Friction Ball-Bearing Wheels, Fitted With High Quality Frictionless Nylon Ball Bearing Wheels,
Linear Air Track with accessories, 1.5m length, Ideal for classroom use, Includes: (1) Linear air track, (1) Accessory pack, 63.8x7.1x12.6 inches, 24.9 pounds