"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 pendulum has a strong and sturdy construction ideal for classroom use.

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

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.

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

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

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

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

This wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can demonstrate how gears can turn rotational motion into translational motion.

This wooden machine is elegantly designed and easy for students to use. Study how changing the distance from the fulcrum changes the mechanical advantage.

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

This Pendulum kit is an excellent model for investigating energy.

This basic aluminum pad and is identical to the pad used in the Science Olympiad National competition, without the pneumatic launching option.