Free CatalogClick to Visit Schoodoodle BlogClick to Visit ScienceFairSanity.comNo Sales TaxWe accept purchase ordersView Shopping Cart and Calculate Shipping
School Supplies > Discount Teacher Supplies  > ELEMENTARY PHYSICS KIT BLOCK &

Product #: CRU512

ELEMENTARY PHYSICS KIT BLOCK &

Science

Out of Stock View Shopping Cart and Shipping Charges


One pulley can be used to change the direction of the force applied by a cord several pulleys can be used to make this simple machine. A small force on the cord can be used to lift a large weight.