"WardsSci100002"

Long lasting metal Pulley.

This wooden machine has a sturdy wooden construction ideal for classroom use.

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.

Compare How Different Gear Configurations Function

This wooden machine has a sturdy wooden construction ideal for classroom use.

Economical pulley for simple machine experiments.

Precisely centered aluminum pulleys.

These free-running plastic pulleys are durable in design.