Matchbox continues to sell its toy cars on Amazon, among other retailers. As with most collectibles (not to mention some old tech you may have lying around), certain versions can be worth a fortune.

Many of those boys, now middle-aged men, must have become misty-eyed at the thought that it has been 40 years since Choro-Q toy cars made their debut. Mainstay Choro-Q products are now targeted ...