Models & Model Kits

Joytopiaminds Stirling Engine Model Kits, Alcohol Powered Dual Cylinder Stirling Engine with LED Light Generator for Physical Science Experiment Display 【Twin-Cylinder Power Generation】Features dual heating cylinders with quartz tubes - generates electricity to illuminate included LED bulb through thermal expansion of dry air (18×8×8cm) ️【Secure Fuel System】Aluminum base plate with integrated groove... Joytopiaminds Stirling Engine Model Kits, Alcohol Powered Dual Cylinder Stirling Engine with LED Light Generator for Physical Science Experiment Display