K’NEX Introduction to Wheels/Axles and Inclined Planes 78620

Demonstrate how the wheel and axle system affects work in relation to force, distance, speed and direction. This 221-piece set builds 7 different real-world models, one at a time. Includes activity cards for each model with real-life photo and key facts. Supports 3 students working in a team. Comes in a sturdy storage tray with moveable dividers and transparent snap-on lid. Grades