FD-4 12V Mini Model Dynamo for Steam Engine Small Generator RC Car_VRX but the external water-cooled pipe

but the external water-cooled pipe and the external water pump need to be purchased separately

1 x Quartz Tube Spare Cylinder

after the light is on

You can operate directly

Your child will have a great time building this comprehensive model engine toy

FD-4 12V Mini Model Dynamo for Steam Engine Small Generator RC Car_VRX but the external water-cooled pipeFD 4 12V Mini Model Dynamo for Steam Engine Small GeneratorFeatures:. It measures length 71MM, width 48MM, high 63MM, weight 57G.. Shaft diameter is 2MM.. This is a great running Dynamo. It will generate 12 volts at about 1 amp if you drive it with your steam engine, or if you apply up to 12 volts DC to the terminals, it will function as a motor. It is in excellent condition and will not disappoint! Specifications:. Color: As Shown. Material: Metal.