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
HookS Law Spring Set, Set Of Five Different Springs Constants, The Set Has Five Different Springs Constants For In Depth Investigation With Above HookS Law Apparatuses.