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.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
Look forward to hours of creative maze-building!
Learn all about the science of light, optics and visual perception with this wonderful kit!
Build your own 10 inch kaleidoscope with this great kit!
This unique 4D triceratops model is a must-have for the dinosaur fan in your family!