The case, used as a self-correcting tool, has a transparent cover for easier use. Young children handle the thick tiles...
Bambino Veritech6 - Enfin, j'ai 5 ans! In French
Books each offering a series of 11 exercices developed around the young child's abilities. In French
V6 Bambino - 3 Years Old! (In French)
Baba Veritech6 (in French)
See 4047221 for English version