- The Hot Ones (1981) series was originally released in 1981 with a new wheel and axle design. This new design was marketed as "FASTEST NON-POWERED METAL CARS!"
- The wheel type, HO, or Hot Ones. Also known as GHO and SHO.
- The Hot Ones (2011) line is a throw back to the classic cars of Mattel's line-up. With many different styles of wheels included in this release.
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