The Web Production and Ernst Klett Grundschulverlag GmbH successfully released last two Nussknacker CD-ROMs with the Raven for the 1st grade (NRW and Bayern).

It's a part of 11 mathematical Nutcracker CD-ROMs, created as a supplement to new school workbooks published by Klett Verlag.

Learning mathematics can be fun for kids! Raven Trax and his friend snail Kuno help pupils of 1st-4th grade learn different topics of mathematics with pleasure, navigate CD, take a rest and play exciting mathematical games developing logical thinking.