$ 17.66
Description
- HOW IT WORKS: Powered by the temperature difference between top and bottom panel of the clear base. Put the engine atop a mug of hot water and give the flywheel a little push, it will start to rotate by itself and the speed will reach maximum seconds later; then speed will die down slowly..
- HIGH QUALITY: it's mainly constructed by PC resin & ABS plastics (except some essential parts). In our igue Test, it rotated continuously for 5 days with no wear-out! It's actually of fine workmanship, lightweight and portable. A fantastic desktop/physics/mechanics toy for everybody, especially for teens..
- SMOOTHER AND MORE STABLE: use self-lubricated graphite power piston(less friction & unbreakable); stainless steel string as connecting rod between flywheel and piston(less friction); two little magnets on the power piston and displacer interact with each other as connecting rod to eliminate mechanical friction; integrally-formed base strengthens the stability and air tightness greatly while providing clear view..
- A BIG HIT FOR EVERYONE: When having friends at home, it's absolutely gonna be an eye catcher, they will wonder about what’s happening and why. It's also a great entertainment for people in the office, definitely an innovative desk piece totally amazing your work friends walking by..
- WIDE APPLICATIONS:this engine will be a remarkable gift for anyone interested in science. It's a great conversation piece that could be used as teaching tool on demonstrating physics knowledge. Enable kids to think about basic principles of the universe. It's a toy making one feel relax and it's affordable!.
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KOBWA Educational Physics Science Kits Low Temperature Stirling Engine Motor Steam Heat Education Model Toy Kit Conversion of Heat Energy to Mechanical Work: Rotate 30 Minutes on A Mug Hot Coffee
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