"WardsSci100002"

With the Worm Gear Box, High Efficiency, it is possible to have high power or high speed with two different gear ratios

The High Speed Gear Box, High Efficiency, is perfect for high speed applications

Teach your students about gear ratios and different gear configurations and how these concepts are used to change the amount of applied force to an object.

Show the mechanical advantage of the wheel and axle.

This balance is the first major advancement in teaching simple machines in decades.

Long lasting metal Pulley.

Economical pulley for simple machine experiments.

Precisely centered aluminum pulleys.

These free-running plastic pulleys are durable in design.

Economical pulley for simple machine experiments.