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In page The Adventures of Rocky and Bullwinkle and Friends:

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  • In 1999, Mattel released a numbered collector series under its Hot Wheels toy line, the "Car-Toon Friends" series.[1] It contained four cars; the now-retired model "XT-3" for Rocky, "Double Vision" for Bullwinkle, "Saltflat Racer" for Natasha and "Lakestar" for Boris.[2] They are no longer produced with these paint jobs and, as of December 2012, are hard to find.[citation needed]