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Counter rotating gearbox (cryptic spren)
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A simple counter-rotating gear mechanism. Parts to buy: https://amzn.to/4qNeVhe 3.2mm metal dowels (1/8 inch) https://amzn.to/49WVVps 21mm x5 31mm x1a double AA battery pack (3 or 4 AAs will also work) https://amzn.to/49YXOC4 OPTIONAL:https://amzn.to/49WW8Jg Instructions: glue the pins in the motor mount (21mm x5) 2. Put the motor in the mount 3. glue the motor mount gear on 4. Glue the motor axle on (31mm) 5. put the tall gears and spacers on the other two axles 6. Put the hollow axle gear on </p
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