Models & Model Kits

Joytopiaminds Stirling Engine Model Kit, Metal Gamma Hot-Air Stirling Engine with LED Bulb for Physical Science Experiment Display 1-Minute Kinetic Wonder - Watch the flywheel spin rapidly after just 60 seconds of alcohol lamp heating! Powers the multicolor LED bulb through clean energy conversion - no batteries or external power needed Hypnotic Light & Premium Build -... Joytopiaminds Stirling Engine Model Kit, Metal Gamma Hot-Air Stirling Engine with LED Bulb for Physical Science Experiment Display