Grind biscuits and the walnuts and mix. Add macerate butter. All mixed thoroughly. Obtained oil crumbs. Melting chocolate in a water bath and add to it the oil crumbs. Wait to cool the mixture and it make small balls as hazelnut, roll them in cocoa or chocolate sprinkles. * Can be used as another example, ground nuts, ground tea biscuits, coconut, etc. decoration candy.