Operating Instructions


Score Level 2 4 1 6 79 cm 24 cm 47 cm 24 cm 120 cm 83 cm 11 cm 11 cm Sound effects Bonus indicator Progress indicator Malus indicator Music Formula bar Blocked ball Change the relational operator Arithmetic operator selector Relational operator Numerical value Pause the game The 1889 Paris world’s fair The Galerie des Machines PARIS Drazbedel. © 2013-2019 Drazbedel® All rights reserved. ANDROID APP ON
Defeat Professor Barberac's machine thanks to your mental arithmetic!
Compete against other players in battles of calculation!
Rating on Google Play : 4/5
The Eiffel Tower Barnabé Barberac