In the course of thirty years we have developed and published various products particularly as teaching tools for young people. Some are available in English. See
à ‘Our products and leaflets’ for more information.
- Planispheres. The designs include declination and right ascension features, and they also enable students to determine the time of sunrise and sunset.
- ‘Build-it-yourself’ Star Wheel (a simpler version of the Planisphere)
- ‘Build-it-yourself’ Sundial (to learn about the time we use)
- Solar System scale model (concise encyclopaedia and 1:100 billion scale model in one)
- The three books of the series ‘Genieten van de sterrenkunde’ (‘Enjoying Astronomy’) – ONLY IN DUTCH
- Set of six astronomy posters – ONLY IN DUTCH
