This gearbox is very light and needs to be built into a model, but once in place, you have four forward gears controlled via one stepper switch and 3 gears which control Reverse, Neutral and Drive

Both 1st and Reverse Gear are identical ratios just like a rear car

Enjoy building these Lego Sequential Gearbox tutorial instructions

00:00 into
00:18 Start of tutorial instructions
01:23 Parts list
01:29 Outro

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