NikolaToy™ Stirling engine with adjustable speed

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Description

NikolaToy™ Stirling engine with adjustable speedDescription Clockwise rotation accelerates speed This Stirling engine is an ideal desk ornament for adults and a great toy for kids for learning about thermodynamics. Featuring an adjustable speed and 95% alcohol fuel, it runs quietly and smoothly, making it a great educational tool and conversation starter.

Pressing/pulling the tail button can change the wind direction

TR900 Turbofan engine model

it looks like water droplets flowing backwards

Beautifully crafted for both educational and aesthetic purposes

"crazy" - the eyes will turn red

Adjust the brightness to meet your needs with an easy tap

Function and usage instructions:

Voltage meter function range:5-30V

and the metal egg on top will rotate with the magnetic eddy current

give it a kickstart or drill start

develops mental logical thinking & creativity as well as promoting hands-on ability and confidence

This product includes: engine/base/generator/voltage regulator