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: 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. This is the heart of the truck and must be secure for it to function. 42199(1).mp4

: Once finished, pull the truck back on a flat surface to ensure the motor engages and the wheels spin freely. : You may want a small brick separator