There is no better way to learn science than spending some time in the lab or playing around with educational kits. This Sunnytech Hot Air Stirling Engine is an educational electricity generator with a multicolor LED light. It has a metal construction and runs stably at speeds around 1700RPM.
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To get started, simply bring your 95% alcohol and light it. Give it a gentle push, and the rest is easy. Using for teaching your kids a bit of physics.
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