Consist of · All metal wheel (30 cm diameter) · Axle diameters of 15 cm and 7.5 cm: These two axles provide different mechanical advantages, creating a ratio of 1:2:4. This allows demonstration of force multiplication. · Steel axle with ball bearings: Minimizes friction for more accurate demonstration. · Cast iron brackets and wallmountable base: Makes it sturdy and easy to secure during demonstrations. · Accessories included: Snatch pulley block, cord, and hooks—but weights are not included.