What is the best place to find disney world exclusive toy story merchandise?

Based on the verified sources, there is no mention of a particular store, park area, or event within Disney World that offers exclusive Toy Story merchandise. The information available pertains only to the Toy Story 3 film and its production details, without any reference to merchandise distribution or retail locations. Without additional evidence, it is not possible to identify a definitive place for such exclusive items. If you are seeking this information, you may need to consult Disney World’s official website, gift shop listings, or contact Disney customer service for up-to-date details.