- 2025-02-14 –, Alfred Nobel
- 2025-02-15 –, Alfred Nobel
- 2025-02-16 –, Alfred Nobel
All times in Europe/Amsterdam Get to know the workings of an Abacus. Dedication is key. This workshop requires daily attendance.
Get to know the workings of an Abacus. Dedication is key. This workshop requires daily attendance.
Maja, iets met wiskunde.