On the frontside of each card has an IQ task, on the backside there is a solution. For each task, you get a certain number of IQ points credited, you will find in the IQ-log of each card. Shuffle the cards and distribute to each group the same card number. The groups oppose each other alternately, for each task now. What group solve the task first gets the card. The winner is the group that holds most of the cards at the end of the game.

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