Experiment and discover basic simple machines by first building the five models and then changing the variables to learn how machines make work and effort easier.

Build the pulley model, then move and interchange the two different size wheels.

Build the incline plane and adjust the height of the incline.

Build the wedge to visually see how it splits open and divides two objects.

Build the lever to display first, second, or third class lever.

Build the wheel and axle as a car or door knob.

Includes 63 pieces to build the five models, and an instruction guide.