![Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions. Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions.](https://technicbrickpower.com/content/thumbs/lego_technic_2_speed_automatic_gearbox_compact_with_build_instructions.jpg)
Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions.
![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 3-speed gearbox with comfortable manual step switch by Don_Santos | Rebrickable - Build with LEGO LEGO MOC 3-speed gearbox with comfortable manual step switch by Don_Santos | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/mocs/moc-62361.jpg/1000x800.jpg)
LEGO MOC 3-speed gearbox with comfortable manual step switch by Don_Santos | Rebrickable - Build with LEGO
![Amazon.com: LEGO Technic Differential gear box kit (gears, pins, axles, connectors) 27 pieces : Toys & Games Amazon.com: LEGO Technic Differential gear box kit (gears, pins, axles, connectors) 27 pieces : Toys & Games](https://m.media-amazon.com/images/I/81DjiRyJOXL._AC_SL1500_.jpg)
Amazon.com: LEGO Technic Differential gear box kit (gears, pins, axles, connectors) 27 pieces : Toys & Games
![Never really built a gearbox before but knew the basics of a 2 and 4 speed boxes so i smashed them together and build this kinda small 8 speed gearbox : r/legotechnic Never really built a gearbox before but knew the basics of a 2 and 4 speed boxes so i smashed them together and build this kinda small 8 speed gearbox : r/legotechnic](https://preview.redd.it/aifpurb3r3b51.jpg?auto=webp&s=997e83aead27f25301668708ec9a1c7b8b90bd62)
Never really built a gearbox before but knew the basics of a 2 and 4 speed boxes so i smashed them together and build this kinda small 8 speed gearbox : r/legotechnic
![LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO](https://i.ytimg.com/vi/iSSuwAuOLZM/maxresdefault.jpg)
LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO
![Super Easy Building Instructions - 2 Speed Transmission - Lego Technic | Lego technic, Lego, Building instructions Super Easy Building Instructions - 2 Speed Transmission - Lego Technic | Lego technic, Lego, Building instructions](https://i.pinimg.com/736x/23/f7/9d/23f79da7e1d12401447f36550f9d9142--ldd-lego-technic.jpg)
Super Easy Building Instructions - 2 Speed Transmission - Lego Technic | Lego technic, Lego, Building instructions
![Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions. Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions.](https://technicbrickpower.com/content/thumbs/lego_technic_2_speed_auto_gearbox_a_new_hope_with_build_instructions.jpg)