"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

Precisely centered aluminum pulleys.

These free-running plastic pulleys are durable in design.

Economical pulley for simple machine experiments.

This package of plastic pulleys contains 25 each of 20, 30 and 40 mm diameter pulleys with 3.2 mm bores and one 10 mm pulley with a push fit to a 2 mm motor shaft.