The Colourstrings method developed by Géza and Csaba Szilvay has gained an international reputation and is taught all over the world. Colourstrings Online Courses by Géza Szilvay are a complete guide on how to teach children to play violin with the Colourstrings method.

Colourstrings Bundle B Expanded consists of
- Online Colourstrings Course Book B (the licence is valid three (3) months from the order date)
- Colourstrings Violin ABC: Book B (9790550093263)
- Kreutzerini (9790550111738)

The online courses are watched in Minifiddlers Library (signing up is required). The licence is valid for three months. After purchasing the bundle with an online course you will get an email with a link from minifiddlers@gmail.com. Please note that your order is handled manually. You will be contacted as soon as possible, but short delays are possible. The orders made outside the office hours are handled the next day. If you don't see the email in your inbox, please also check your spam folder.

The online course's length is 2 hours 12 minutes. The Book B course covers the following pedagogical topics explained by Géza Szilvay, with Susanna Arminen who demonstrates the exercises with the violin:

- The stopping first finger.; two-note melodies
- The stopping second finger; three-note melodies
- The stopping third finger; four-note melodies
- The stopping fourth finger; five-note melodies

The Colourstrings violin tutors are designed for children aged from four years. The Colourstrings Violin ABC: Book A teaches the basic positions of the violin and bow and basic movements on the violin utilizing the relative solfa system. The strings are symbolized by four characters and different colours. Suitable also for group teaching they make music reading easy right from the start, and additional material brings along chamber music (Duettini for two violins [9790550111011]) and performing pieces (Sonatini for violin and piano [9790550111028]) from the very beginning.

Kreutzerini (9790550111738) consists of 42 finger exercises for perfect intonation in the first position. These mini-studies for violin were created to make learning and teaching "ear-led finger-stopping movements" even more effective and enjoyable with inventive and resourceful use of natural harmonics and left hand pizzicatos.

The extensive Handbook for Teachers and Parents (9790550112490) brings together the entire Colourstrings series for the violin. The Handbook guides the teachers and parents through the books A-F and Yellow Pages I-III, offering expert advice and methodological support to teaching in Colourstrings method.