La bonne étoile

Go back a few thousand years to ancient Egypt with Eric! With him, you'll discover and demystify a secret multiplication system.

This experiment is not a puzzle: we measure about eight times the height of our head. It's not magic... it's mathematics!

Eric shows us how to turn a bird into a fish! What is the secret behind this metamorphosis?

How can you find the height of something very tall - like a tree or a basketball hoop - without a scale? Eric will help you!

What is the most powerful number in the world? Come and find out with Éric!

Éric the mathemagician illustrates the power of doubles to transform a single gold coin into a billion coins in just one month. It's not magic... it's mathematics!

What would you say if we challenged you to prove that at least two people in your class share the same birthday? Would you accept? If so, and if there are at least 23 people in your class, chances are you would win!

What geometric shape do you have? Chances are, you're a square, like most of us! But you could also be a big rectangle or a small rectangle... Come and find out with Éric!

Eric examines the strength of a paper chair. Will it hold the weight of one person? We've known for a long time that triangles are very strong - but are they really the strongest shapes? Let's find out!

Éric presents a magic trick with dice. Simply by looking at a tower of dice, he can calculate the sum of all the numbers on the hidden faces. It's not magic... it's mathematics!

It's possible to create a perfect circle without lifting a finger! If you're ready to become a human compass, you can create your own perfect circle. It's not magic... it's mathematics!

Can your calculator tell you your date of birth? Of course it can! Come and find out with Éric!

Eric explores how to measure different parts of the face using unconventional units of measurement.

How many times do you think you can fold a sheet of paper? Four times? Five times? Nine times? Come and find out with Éric!