US$ 159.99
75-inch height range for bench apparatus
Converts flowing-water kinetic energy into electricity through a mini water turbine coupled to a dynamo
5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter
holding under at least 100 Newtons of separation force after hand-evacuation of the air between them
Simple Machines Wheel and Axle Model Subject_Physics 75-inch height range for benchWooden wheel and axle simple machine model on a 9. 5x3. 375 inch base, demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle.