How does the pull-back motor work?

You pull the car backward along the floor to wind the motor, then let go and it drives forward on its own. Each run needs a fresh pull-back.

How big is a 1:43 scale Hot Wheels car?

It is noticeably larger than a standard 1:64 Hot Wheels car, roughly the size of a large palm-length die-cast model. The bigger body gives it more weight and detail.

Does each car have the same feature?

No. Each car in the line has its own interactive feature, such as a Rolomatic engine display or an opening door or hood. What you get depends on which car you choose.

Is it a set or a single car?

It is a single car. Each is sold separately, so a full lineup means buying several cars.

Can I choose the color?

Colors and decorations vary across the line, and each car comes in its own deco. Pick the specific car you want rather than expecting a color choice on one model.

Is it good for young children?

The pull-back action is simple enough for young kids, and the 1:43 body is sturdy die-cast. Small opening parts and engine details mean it is better for kids past the mouthing stage.