When Mattel introduced Hot Wheels back in 1968, the 1:64 die-cast cars were almost an instant hit. Using television to advertise the bright little cars with moving wheels to a wide audience likely ...

Would you say a Ferrari F430 is a rare car? The Italians only built less than 17,000 units. And Mattel only made 20,000 units for the following five models.

We're sure you're by now well aware that musty, dusty cases of 1960s and 1970s Hot Wheels moldering away in the attic may—or may not—have some treasure contained within. No, we don't mean treasure of ...