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 SUPER Erector Construction set is one of the best you'll find anywhere!
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
Comprehensive collection of 30 fossils.
This classic device is used to demonstrate the conservation of mechanical energy.
Use this laser pointer for any professional presentation!
Exciting magnet exploration for ages 8 and up!