Na konchikakh palchikov rebenka est nervnye tsentry, tesno svjazannye s rechevymi zonami kory golovnogo mozga. Chem podvizhnee budut palchiki, tem bolee garmonichnym budet razvitie malysha. Risovanie, khudozhestvennoe konstruirovanie, lepka - unikalnye vidy zanjatij dlja razvitija melkoj motoriki ruk rebenka. Takie zanjatija razvivajut rech, taktilnye oschuschenija, slukhovoe vnimanie, uluchshajut voobrazhenie i prostranstvennoe myshlenie.