A public children’s program takes place monthly on the first Saturday at 3 p.m. The fee is 6,- € per child, which includes the cost of all material used. Advanced booking by mail is necessary for participation.

All the children’s programs can also be booked for private groups of children, e.g. for birthday parties. The fee for this is 25,- € per group and 6,- € per participant, which includes the cost of all material used.

The Arithmeum also offers to cooperate with teachers in matching the programs for pre-school groups and school classes to the teaching being done at the time. The fee for this is 25,- € per school class and program, and 6,- € per pupil, which includes the cost of all material used. Accompanying adults pay 3,- € per person.

Bookings at least two weeks in advance by telephone (0228 - 738790).