| 摘要 |
A fundraising method is presented including the sale of trays and trading cards, the latter exchanged between participants in a competitive fashion to complete a collection of cards so as to unlock a code or puzzle. Trays and trading cards include clues suggesting the proper placement of the cards onto the trays. The fundraising method includes selling a plurality of trays and trading cards from a fundraiser to a plurality of participants, exchanging the trading cards between participants, assembling the trading cards onto trays by participants, assisting participants to complete at least one tray with correctly assembled trading cards, and awarding a winner.
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