Build electric dinosaur, crocodile, aircraft, etc.

(see large images below)

Build your own electric dinosaur that can go, and 16 other models. Build, for example crocodile, airplane or windmill. 400 parts with engines, gears, gear chains, wires. Learn about different types of gears, gear chains and movement. Incredible good and inspiring set. Detailed instructions in english. From 8 years and older.