(under the class definition) Device including a plurality of parts, separable for playing, and which are dimensioned and configured to closely fit one within another, wherein the inner surface of one part is similar in shape to the outer surface of another part.
SEE OR SEARCH CLASS
206, Special Receptacle or Package,
514, and 515 for special receptacles or closures having nesting features.
380, for closures having features for nesting within one another.