May 2026 Build Challenge: Vote for the best creation!

We are BACK! The "Gearbox" build challenge is now officially over! We have only seen a handful of entries, but they were still awesome and I'm sure must have taken a lot of time to engineer and build. The following gearboxes are now entering the poll phase, in which YOU will be able to decide what the best one is: (click each one to see the build in detail) Koenigsegg 9 speed transmission by u/MobileJob1521 4 speed gearbox with manual shifter by u/Asleep-Associate806 3 speed gearbox with...