5 minute upgrade - turn the LEGO Technic 42099 4X4 X-treme Off-Roader into a capable crawler! - YouTube
LEGO Technic 42099 4X4 X-treme Off-Roader Power Functions mod with SBrick - YouTube
Amazon.com: LEGO Technic 4x4 X treme Off Roader 42099 Building Kit (958 Pieces) : Toys & Games
BRIKSMAX Led Lighting Kit for Technic 4X4 X-treme Off-Roader - Compatible with Lego 42099 Building Blocks Model- Not Include The Lego Set : Toys & Games
4X4 X-treme Off-Roader 42099 | Powered UP | Buy online at the Official LEGO® Shop US
LEGO Technic 42099 4X4 X-treme Off-Roader stage 2 upgrade - even more power with only 4 extra gears! - RacingBrick
4X4 X-treme Off-Roader 42099 | Powered UP | Buy online at the Official LEGO® Shop US