Archimedes' screw
Description
This is an auger and pipe with a 5V gear motor like this: https://www.ebay.com/itm/DC-3V-5V-6V-Slow-Speed-Micro-300-Gearbox-Gear-Motor-Speed-Reducer-Threaded-shaft/264223490883?hash=item3d84f28343:m:m4NXHHqu-HtRMrfOgq9_DAg The motor is attached with M3 screws and powered by 2 rechargeable 18650 batteries.
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