- Introduces students to the scientific concepts associated with Gears;
- Includes 3 after-build experiments that teach your child about STEM concepts such as mechanical advantage, gear ratios, sprocket, spur gears, crown gears, rotational speed and more ;
- 143 pieces. Builds fully-functioning replicas of real-world gear models like a crank fan, an egg beater, a car window and more. Ideal for learning at home.