Activity & Learning Toys

AYUNJIE Stirling Engine Kit, L-Shaped Metal Stirling Engine Generator Model with Voltage Digital Display Meter and Bulb, Physical Experiment (Gold) L-Shaped stirling engine generator model kit, when the machine is running, the 5V5W bulb is connected to the generator to light the bulb. The generating voltage can be observed in real time on the voltmeter. High-quality: Selected high-quality... AYUNJIE Stirling Engine Kit, L-Shaped Metal Stirling Engine Generator Model with Voltage Digital Display Meter and Bulb, Physical Experiment (Gold)