42199(1).mp4 Page

: Start by assembling the central pull-back motor mechanism. This is the heart of the truck and must be secure for it to function.

The video filename 42199(1).mp4 likely refers to the set. 42199(1).mp4

: You may want a small brick separator (though not included) to help with any mistakes during the Technic assembly. 2. Core Assembly Steps : Start by assembling the central pull-back motor mechanism

: You can access the official building guides on the LEGO Service site or use the LEGO Builder App to zoom and rotate the model in 3D while you build. : You may want a small brick separator

: Attach the internal engine components and axles to the main frame.

To prepare this piece, you can follow these steps based on standard LEGO building procedures and the specific features of this model: