What toy story items can only be found at disney theme parks?

The only confirmed information about the Toy Story franchise in the provided sources is a list of characters from the films and related media. None of the sources mention any specific Toy Story merchandise, collectibles, or items that are only available at Disney theme parks. Therefore, based on the evidence at hand, we cannot identify any Toy Story items that are exclusive to the parks. If you are looking for exclusive Disney merchandise, you would need to consult additional sources that specifically discuss park-exclusive products.