Mini Hot Live Steam Engine Model All-metal Horizontal Single Cylinder DIY Stem Model Kit Type_DIY Stirling Engine which makes it have the

which makes it have the function of sensor and switch

improve their hands-on ability

if not smooth

EXTREMLY WELL-MADE----A carefully crafted engine with high grade zinc alloy sturdy stand，aluminum alloy flywheel

Start temperature difference: about 20℃ Celsius/68 Fahrenheit

Mini Hot Live Steam Engine Model All-metal Horizontal Single Cylinder DIY Stem Model Kit Type_DIY Stirling Engine which makes it have theSteam Engine Model All metal Horizontal Single Cylinder DIY Stem Model Kit Features: UNIQUE STYLING This is a Mini hot live steam engine, It's small size. Vertical modeling, design dignified retro, exquisite workmanship. By heating the small boiler, it can run normally. It is a high end handicraft that is collected and appreciated. EXTREMLY FINE CRAFTED Full brass made of boiler, the bracket is made of stainless steel. high quality and durable.