This headache is composed of a notched wooden stick equipped with a propeller and a small wooden stick.
By rubbing the stick on the notched stick, make the propeller turn then pronounce very strong "Bozo-bozo", the propeller will turn in the other direction !
This puzzle of a frightening simplicity is perfect to animate your evenings between friends.
You give a demonstration to your friends (and don't worry, it really works, the secret is explained in the enclosed instructions). Then you give them the Bozo-bozo and you observe:
few people will succeed in making the propeller turn and even less will succeed in making it change direction
And yet it is so simple! 5 to 10 minutes of training are enough.
A simple magic trick to perform
Sold with the explanatory note.
Atelier Bois Fait main Savoie France