The game comes with a pack of cards illustrating, step-by-step, how to build the Rube Goldberg contraption. That deck is dealt out randomly to the players. The player with card 1 plays it, assembling the parts indicated on the card. He continues playing cards in sequence if he can. When he no longer can, he grabs a random card from the player to his left (unless it is that player's last card) --which may allow him to continue. If not, the player who has the next card plays it, and so on. The last card gives that player a chance to crank the clock and wake the sleeper (and win!). If that fails, play passes to his right.

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