Ages: 7+
Flex your math muscles with this clever brainteaser. Icosoku is a hands-on challenge with endless game play. It all adds up to fun - you can count on it!
The object is to arrange the puzzle so that all of the dots touchings a number add up to that number.
To create a new challenge simply swap a few number buttons and you have a new challenge to solve!
Inventor: Andrea Mainini
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