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a built-in Li battery for continuous use for 24 hours on one charge and a glass cover lined with cotton for protection
then give the wheel a gently push
it works no less than 30 minutes
Input Voltage: 6V-12V
STEM Educational DIY Kit Build Your Own Stirling Engine 3pcs Set Type_ENJOMOR® Brand a built-in Li battery forSterling Engine 3 Piece Set STEM STEAM Educational Models Explore the Mystery of Heat Energy and Create the Perfect Classroom or Home Experiment Tool! This Sterling Engine 3 Piece Set is specially designed for physics, engineering, energy conversion, and thermodynamics courses, featuring three classic Sterling engine models: Low Temperature, High Temperature, and Regenerator type engines. Through hands on experiments, students will gain a deep
