STEM Low Temperature Difference Stirling Engine DIY Toy Gift Decor Collection

Stirling Engine is available now from our UK warehouse Free shipping to UK in 3-6 business days ship to European countries in 7-10 days in UK warehouse Low Temperature Stirling Engine Very fantastic craftsmanship, made with Metal Alloy Being a Gift, or a Display on your desk or anywhere . The hotter it gets, the faster it goes. This low temperature stirling engine, It run on warm / cold surface, and it requires a small difference in temperatures to run. Description: Item Name: Stirling Engine Size: 102 X 102 X 125mm Material: Steel and Glass Speed: up to 180-250 RPM Start Temerature Difference: 20 Weight: 250g Features: This Low Temperature Stiring Engine could be a great gift for your friends or families. It is almost ready to run: after the installation, put it on a cup of hot water, then it will run itself. Note: Can use pencil to lubricate all the connections,other oils are not recommended. Package Included: 1 x Low Temperature Stirling Engine