With 'Place the disc', practice the concept of object permanence and that of cause-effect. Because of the peek-a-boo effect, the child learns that something can exist even if it doesn't see it. In addition, by putting the right discs in the right mailbox, it stimulates the fine motor skills, the working memory and the sorting by colour.
Garanties sécurité (à modifier dans le module "Réassurance")
