"WardsSci100002"

Economical pulley for simple machine experiments.

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 has a sturdy wooden construction ideal for classroom use.

This wooden machine is elegantly designed and easy for students to use. Study levers and mechanical advantage both qualitatively and quantitavely.

Compare How Different Gear Configurations Function

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

Economical pulley for simple machine experiments.

Long lasting metal Pulley.

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