From learning and writing numbers to the first mathematical operations. Counting, sorting and then calculating are the aims of this complete range of hands-on learning materials that can be used alone by the pupil or in a group.

An ingenious arithmetic tool made up of grey balls which, when turned by the child, reveal the number corresponding to their position on the abacus. Ideal for visualising the numerical sequence, counting in twos, adding and subtracting, and more.