This Hot Wheels car was only available to Mattel employees ... The taillights are red rubies and the thing came with a custom ...

Since then, more than 800 models and 11,000 variations have been made, totaling more than 4 billion cars. According to Mattel ...

It's a great way to personalize car parts with custom graphics that ... If you're looking for something more subtle, a custom set of wheels with color-filled accents might be more your speed.