Models & Model Kits

Joytopiaminds Stirling Engine Model Kit, L-Type Double-Cylinder Stirling Engine with LED & Bulb for Physical Science Experiment Display Dual-Power Illumination - Generates electricity to light both LED diodes and incandescent bulbs simultaneously. Visualize real-time energy conversion from heat to motion to light—no batteries required (95% alcohol fuel only) Premium Gold... Joytopiaminds Stirling Engine Model Kit, L-Type Double-Cylinder Stirling Engine with LED & Bulb for Physical Science Experiment Display