Simple Machines

Nine hands-on exhibits demonstrate gears and the six kinds of simple machines.

Simple Machines TripodSimple Machines Tripod
Identify different examples of simple machines.

3rd Class Lever3rd Class Lever
Learn how a part of the human body is a 3rd class lever.

Poppke's PulleysPoppke’s Pulleys
Experience how single, double and triple pulleys help people lift heavy weights with ease. This exhibits was designed and built by Master Exhibit Developer Dave Poppke.

GearsGears
Build your own gear trains while learning about gear ratios.