I dunno the actual name but anyway lets get started
Step 1: place 6 fuselage blocks in a 2 by 3.
These fuselage blocks are suggested to be the size of normal blocks

Step 2: place loose hinge rotators on the corner blocks, top ones in the center of the corner blocks, bottom ones on the bottom center.

Step 3: place a loose hinge rotator on the top center block and... Uhh wait lets stop for a moment and explain why i have a hard time explaining with words, I have issues explaining with words because i dont think in words, i think in images, and it gives me a big headache to explain in words, so, im just going to stop explaining, and just use the images once i find out how..

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Step 14: and now (if you understood this), you attach it to the car your making, then add the wheels, and thats it