Stirling Engine Kit DIY Assemble Physical Motor Model Power Generator External Combustion Educational Toy Features:100% new and of great qualityThe integrated and simple to construct hot cylinder, hot cylinder sleeve, power cylinder sleeve, and power cylinderThe cylinder liner is a heat dissipation..

Stirling Engine Kit DIY Stirling Motor Generator Model External Combustion Engine Educational Toy  EASY OPERATION: In order to heat the glass cylinder, fill the lamp with 95% alcohol. After the glass has warmed up for a few seconds, spin the flywheel, and it will rotate quickly and smoothl..