"WardsSci100002"

Economical pulley for simple machine experiments.

Long lasting metal Pulley.

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

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

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

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.