"WardsSci100002"

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

Compare How Different Gear Configurations Function

Long lasting metal Pulley.

This wooden machine is elegantly designed and easy for students to use.

This wooden machine is elegantly designed to demonstrate how a wedge can increase mechanical advantage.

This wooden machine is elegantly designed and easy for students to use. Study how changing the distance from the fulcrum changes the mechanical advantage.

Precisely centered aluminum pulleys.

These free-running plastic pulleys are durable in design.

Economical pulley for simple machine experiments.

This wooden machine easily demonstrates how rotational motion can be converted into the linear motion.