Gears in Screw Drivers are the important thing, I don't really get it, but here is one of the simplest gearings in screw drivers with gear shifter.

Building a Tesla, all electric car, in Screw Drivers ?

Screw Drivers Gameplay, this new building game like Scrap Mechanic/Trailmakers lets you build cars using drive trains, powering your car using electric motors or ICE, getting creative and having real gear shifting!

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#Casualgamer
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