"WardsSci100002"

Economical and effective.

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. Study levers and mechanical advantage both qualitatively and quantitavely.

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

These free-running plastic pulleys are durable in design.

Smooth-running ball-bearing clamp pulley for use with inclined planes, force experiments, or demonstrations of work and machines, this durable, lightweight plastic pulley fastens to surfaces up to 18 mm thick.

Sale

Identify All Three Classes of Levers and Their Key Parts

Economical pulley for simple machine experiments.

Economical pulley for simple machine experiments.

Economical pulley for simple machine experiments.