Build up to thirty different models!
The K'NEX Exploring Machines Set contains 1,460 pieces and color-coded building instructions to build 30 different models. You can build 4 of each model type simultaneously.
Models demonstrate: 1st, 2nd and 3rd class levers; fixed, movable, compound and block & 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.
The set comes packaged in a strong plastic storage case with moveable dividers and lock-on transparent lid.