Pieces and color coded building instructions to build 30 different models.
Models demonstrate 1st, 2nd, and 3rd class levers, fixed moveable, compound and block and tackle pulley systems; wheels and axles with the force applied to both the wheel and axle; inclined planes screws and wedges; spur, crown, sprocket, rack and pinion, transmission and differential gear systems.
A teachers guide is included in the set. It contains both key facts and inquiry-based lesson plans highlighting 16 models in the set. Plus, design briefs for students to create their own working models based on concepts being studied.
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