Lego CAT D11 (42131). Control+ app testing step 4. Drive is running in other direction than app indicates. This piece is directly connected to the electric motor, so it seems that I
App-Controlled Cat® D11 Bulldozer 42131 | Technic™ | Buy online at the Official LEGO® Shop US
First look at the LEGO Technic 42131 CAT D11 Bulldozer! - Jay's Brick Blog
BRIKSMAX Led Lighting Kit for Technic App-Controlled Cat D11 Bulldozer - Compatible with Lego 42131 Building Blocks Model- Not Include The Lego Set, Building Sets - Amazon Canada
LEGO Technic 42131 Cat D11 Bulldozer [Review] - The Brothers Brick | The Brothers Brick
App-Controlled Cat® D11 Bulldozer 42131 | Technic™ | Buy online at the Official LEGO® Shop US
First look at the LEGO Technic 42131 CAT D11 Bulldozer! - Jay's Brick Blog