Dr. Johnson’s Heat Engine is a cool demonstration model of a clean heat engine. Using Muscle Wires® technology, the model shows how a heat engine can operate without the use of motors, gasoline or electricity. It comes with a helpful instruction guide with science facts on shape memory alloys and an explanation of how clean heat works. Recommended for use as a science project or as a classroom demonstration model.
This genuine meteorite is great for the rock collector in your family!
Command robotic creations with this cool construction kit!
Every kid needs one of these spheres!
This caffeine molecule mug makes an excellent gift!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
This is a classic demonstration toy of the powers of magnetic fields!
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