Model #79319
- Introduces students to the scientific concepts associated with Levers & Pulleys;
- Includes 3 after-build experiments that teach your child about STEM concepts like mechanical advantage, effort arm, fulcrum, lever classes, pulley systems and more;
- 139 pieces. Builds fully-functioning replicas of real-world models like a balance, a wheelbarrow, and a sailboat. Ideal for learning at home.