"3B torso model"

Demonstrate Principles of the First Commercially Produced Steam Engine.

Close-Up Cross Section.

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

Intermediate-level rocket with five fiberboard fins and a streamer recovery system.

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.

Intermediate-level rocket with laser-cut balsa fins and streamer recovery system.

Easy-to-assemble intermediate-level rocket with laser cut balsa fins.

Launch an egg and test recovery systems with this reliable, sturdy model rocket.

Easy-to-assemble beginner level rocket with pre-colored parts.

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

Large scale model of Young's double slit experiment.

Explore STEM concepts while building lever and pulley models!

Get your model rockets in the air with these popular rocket engines.

Portable, durable, and easy to use - the classic model rocket launch pad.

Investigate and experiment with 7 functioning Wheel & Axle and Inclined Plane models designed to demonstrate science and technology concepts.

Students can determine, through investigation, if the machine multiplies the force it applies to the resistance (load), if the machine changes the direction of the force they apply, and more.