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Set up the arithmetic triangle and let the math magic do its work.

Every summer day, the number of water lilies in the pond doubles. When will the pond be full? Think carefully, as this puzzle can be quite challenging.

With the help of a few calculations, the magician identifies the chosen card. Will you be able to do the same?

Find the secret behind this trick and impress everyone with your mental math skills.

What a surprising trick! Just a few simple calculations and bam! The values of not one, not two, but all three dice are revealed!

The kings allow the magician to succeed in his trick. How does it work? What does the number 13 represent in this trick?

Algebra, arithmetic, and logic — it’s all there! Well, it all can be there. It’s up to you to solve this puzzle your own way.

After opening his chest, legend has it that the leader of the adventurers let out a roar so loud it was heard across the entire continent. Can you guess what the leader won?

How do time differences work? What happens if you do a round trip?

Mr. Blaise has set up a rotating sprinkler on his lawn to water it. However, some areas cannot be reached by the sprinkler. What portion of his lawn will remain dry?

Help the city planner design the new look of city hall. Nested circles, areas, radii — there’s plenty to think about!

After a long day of drawing, Théo puts away his colored crayons and makes an interesting discovery. How many does he have in total?