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Does this trick work every time? How can you make it happen? Bring in the clock, and the trick is done.

Do you want to perform an extraordinary magic trick? Doing magic with dominoes is possible! All you need is a complete set of standard dominoes, and you're ready to go!

Ring ring! Call the cards to find the one the spectator picked.

The cards are flipped several times and, in the end, it’s as if nothing happened: the jacks remain facing the opposite direction from the other cards. Are the jacks really rebellious?

Choose a card, divide the deck into three piles, and spell the name of the chosen card. The math magician will find it.

You can lie or tell the truth—it's your choice. The magic works and always reveals the truth. The cards will confirm it!

Let the participants hold onto the cards, flip them as many times as they like, and arrange them in any order. Then, by asking just one question, determine the total of the numbers they’ve chosen.

Happy birthday! A riddle where you have to figure out the maximum number of friends present at a party — with a rather strange clue.

Quick! How can you spot the bronze ring in just three weighings on a balance scale? Luckily for him, Mr. Bolzano is a mathematician and knows exactly how to do it! But how does he do it?

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

Is it really possible to achieve 5 victories in a single trick? After a few manipulations, the magician manages to find the 5 originally chosen cards. Impressive!

Is it possible to find a digit that was stolen? Sure, when you know how! Can you figure it out?