The 1990s saw the launch of many iconic gadgets, toys and games that many people are still holding onto for a taste of nostalgia. But the memories from your childhood may also be worth a fortune. Pokemon cards, Furbies and a Kawasaki-branded instrument are among the decades old products that have sold for thousands of dollars at auction. Even more, a rare Super Mario 64 game fetched over one million dollars at a sales event that made it the most expensive video game in history. Below are a few valuable 1990s toys that may be collecting dust in your home. The Sax-A-Boom is a children's toy instrument which had a resurgence of popularity after Jack Black used it at live Tenacious D concerts The Sax-A-Boom is a children's toy instrument which had a resurgence of popularity after Jack Black used it at live Tenacious D concerts.