LEGO MOC Simple 4 Output Gearbox (No special Parts!!!) by CrazyKreations | Rebrickable - Build with LEGO
![Amazon.com: LEGO Technic COMPLETE GEARBOX ASSEMBLY 2 x 4 x 3 1/3 Trans-Clear Wormbox gear motor REDUCER block Mindstorms robotics ev3 NXT transparent robot building power functions part 6588 Amazon.com: LEGO Technic COMPLETE GEARBOX ASSEMBLY 2 x 4 x 3 1/3 Trans-Clear Wormbox gear motor REDUCER block Mindstorms robotics ev3 NXT transparent robot building power functions part 6588](https://m.media-amazon.com/images/I/61i-VX0pbRL._AC_SL1000_.jpg)
Amazon.com: LEGO Technic COMPLETE GEARBOX ASSEMBLY 2 x 4 x 3 1/3 Trans-Clear Wormbox gear motor REDUCER block Mindstorms robotics ev3 NXT transparent robot building power functions part 6588
![LEGO MOC Sequential 8-speed transmission tunnel with rotary catches and 8-to-1 gearblock by Didumos | Rebrickable - Build with LEGO LEGO MOC Sequential 8-speed transmission tunnel with rotary catches and 8-to-1 gearblock by Didumos | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/mocs/moc-16088.jpg/1000x800.jpg)
LEGO MOC Sequential 8-speed transmission tunnel with rotary catches and 8-to-1 gearblock by Didumos | Rebrickable - Build with LEGO
![BrickLink - Set 5288-1 : LEGO Gear Blocks, Housings and Axles [Service Packs:Technic] - BrickLink Reference Catalog BrickLink - Set 5288-1 : LEGO Gear Blocks, Housings and Axles [Service Packs:Technic] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/SL/5288-1.png)