Adults are scooping up promotional items out of nostalgia — and playing into a frenzy around collectibles .

Source: [MarketWatch](https://www.marketwatch.com/story/starbuckss-snoopy-cups-and-mcdonalds-spongebob-toys-are-commanding-huge-markups-on-ebay-ed3e514d?mod=mw_rss_topstories)

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