iKen Joy Space Lever(Multicolor)

Space Lever is a scientific demonstration of a leverage with fun and skills. Simply put, lever involves a fulcrum. Depending on the distance related to the fulcrum, either force or movement can be ?magnified?,in the expense of diminishing the other one. For a lever that both sides are at equal length, it is easy to understand that a heavier object at one side can uplift the other sides lighter object. Simply by adjusting their position the lighter object can uplift the heavier object.