If you have some old Hot Wheels sitting around, you may have a way to make extra money. Depending on the model, some collectors may shell out big bucks — think tens of thousands of dollars. Several ...

As any collector will gladly tell you, there are too many Hot Wheels cars to count. Mattel has been making them since 1968 and cranks out 50 new models in 400 color and graphics packages every year, ...