Thames & Kosmos

The Extreme crocodiles of the world kit is one of a series of collectable animal science and craft kits for creative young hands and minds.

Explore hydraulics, pneumatics, and robotics with your very own GIANT hydraulic hand! Using over 200 plastic pieces and piston tubes that you fill with water, build an awesome mechanical hand that uses hydraulic power to simulate the movements of the huma

Each egg contains one plastic dinosaur model. The eggs are blind-packed, so it’s a surprise which of the 12 dinosaur figures you will get. A small chisel tool for digging the dino out of the egg and an instruction manual are included.

Build and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusement park. Conduct an action-packed series of hands-on physics and engineering lessons with an easy, modular bu