![42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums 42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://i.ytimg.com/vi/kA3I8LjyJYc/maxresdefault.jpg)
42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![5 minute upgrade - turn the LEGO Technic 42099 4X4 X-treme Off-Roader into a capable crawler! - YouTube 5 minute upgrade - turn the LEGO Technic 42099 4X4 X-treme Off-Roader into a capable crawler! - YouTube](https://i.ytimg.com/vi/7mJYpRSrdEM/maxresdefault.jpg)
5 minute upgrade - turn the LEGO Technic 42099 4X4 X-treme Off-Roader into a capable crawler! - YouTube
![42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums 42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://i.ytimg.com/vi/GbytSzU0JWM/maxresdefault.jpg)
42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick](https://r2b4z2r7.stackpathcdn.com/wp-content/uploads/2019/08/P1355297-Edit_blog_ret-1024x808.jpg)
LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick
![LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick](https://r2b4z2r7.stackpathcdn.com/wp-content/uploads/2019/08/P1355284_blog_ret-1024x577.jpg)
LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick
![42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums 42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://i.ytimg.com/vi/7AB6wLkiy_A/maxresdefault.jpg)
42099 Mods and Improvements - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick](https://r2b4z2r7.stackpathcdn.com/wp-content/uploads/2019/08/P1355258-Edit_fb_ret.jpg)
LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick
![LEGO 42099 vs LEGO 42070 | Better Crawler | Technic 42099 Comparison video | Offroader 42099 Test - YouTube LEGO 42099 vs LEGO 42070 | Better Crawler | Technic 42099 Comparison video | Offroader 42099 Test - YouTube](https://i.ytimg.com/vi/83hjZNAjd3Y/maxresdefault.jpg)