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the wheelbase is adjustable
and the engine was completed to win the large race that met his requirements
Instructions for use: Put the engine model in a horizontal position
Demonstrate the DC generator: Move the brush to the commutator section
nickel-metal hydride battery
Mini Bluetooth Square Wave Musical 8CM Arc Tesla Coil Experimental Toy with 24V2A Power Supply version:Dual Mode the wheelbase is adjustableMini Bluetooth Square Wave Musical 8CM Arc Tesla Coil Experimental Toy with 24V2A Power Supply Features:. Using a newly designed PCB circuit board, the circuit design is reasonable, and the shape is more beautiful. Thanks to the maturity of modern printed circuit board technology, the long and simple secondary coil of the Tesla coil can now be turned into a thin flat plate, greatly reducing the volume. Wireless Bluetooth is easy to connect to play
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