"3B torso model"

Students learn to recognize the difference between work and energy with this apparatus.

Allow students to investigate the advantage behind different gear ratios.

With the Atomic Structure Apparatus, a large manipulative helps students visualize atomic structure.

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

This Pendulum kit is an excellent model for investigating energy.