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Be in awe of the remarkable beauty of mathematics in nature!
The pieces of this puzzle are pretty original!
Help Queen Gertrude take on the challenge thrown by the King of toads!
Help Justin sort through the pieces of his jigsaw puzzle.
Time to show your marble collection! Is it unique?
Take 6 tokens, flip them over, and I will know exactly what you’re hiding!
Discover Marek’s birthday surprise!
Are you up for a challenge? You’re not allowed more than three cuts of a knife!
Help Ludo wrap his rope around the tree!