Pulleys: A Mechanical Science Kit
By using pulleys, force can be transferred with reduced friction. Kids can learn how pulleys are used in windmills, oil drills, and other machines with the Engino's Pulleys: A Mechanical Science Kit. The kit includes a 36-page activity book with experiments and detailed explanations into the technological principles being applied. Build up to seven working models, including a stationary bike, blender, and construction crane.