Each round, players choose a cactus card from the center and must first declare which side they will grab it from. Then, they carefully turn it over, touching only the declared edge.
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If on the back side, at the spot they touched, there is a flower, the player keeps the card and collects the corresponding flower points.
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If thorns appear, the player... gets pricked and loses the card!
The game continues in the same way, with players testing their luck and observation skills.