The K’NEX exploring machines models demonstrate: 1st, 2nd, and 3rd class levers; fixed, movable, compound and block and tackle pulley systems; wheel and axles with the force applied to both the wheel and the axle; inclined planes, screws and wedges; spur, crown, sprocket, rack and pinion, transmission and differential gear systems. Contains 1,460 pieces to build 30 simple machine models with color-coded instructions, 73-page teacher’s guide, student inquiry lesson plans and worksheets, design briefs for students to create their own working models. Packaged in a strong plastic storage case with moveable dividers and lock-on transparent lid.

Motor Add-On Pack
2 battery operated motors (uses AA batteries, not included) to motorize your crank fan, transmission and more.