K'Nex Levers & Pulleys Kit
Discover how eight simple machines work as you construct a balance, wheelbarrow, scissors, a block and tackle, and more. You'll understand how all three classes of levers work and see firsthand how fixed, moveable, and combination pulley systems operate.This kit comes with 178 snap-together pieces and a project guide, all in a sturdy plastic storage case. Includes a CD containing the 39 page teachers' guide. Ages 8-12.
Kit Contents
- 178 color-coded pieces
- Instructions to build 8 models one at a time demonstrating the three classes of levers and different pulley systems
- A CD containing the 39 page teachers' guide with key terms, explanation of scientific concepts and everyday examples, and additional science experiments
- Supports 3 students working as a team
- Packed in a strong, stackable storage case with moveable dividers and transparent, lockable lid
Key science concepts that can be taught and learned with this kit include:
- Identify all three classes of lever and test them to determine how they operate
- Identify key parts of levers; effort arm, resistance arm and fulcrum
- Identify different types of pulley systems and test them to determine how they operate
- Identify key parts of pulley systems
- Discuss how pulleys change the direction and/or amount of force applied to do work
WARNING:
CHOKING HAZARD - Small parts. Not for children under 3 yrs.


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