12-Piece Simple Machines Complete Set

This complete set of 12 simple machines provides hands-on models for teaching the fundamental mechanical principles that underlie all complex machinery. The set includes: inclined plane, gear train model, pulley model, pendulum, wedge, gear rack, motion converter, fulcrum balance, simple lever, wheel and axle model, screw, and block and tackle. All machines feature sturdy particle board and wooden construction built to withstand classroom use. Students can use the models both qualitatively and quantitatively, and the design lends itself to inquiry-based activities. An instruction manual is included to facilitate student and teacher use of the apparatus.