The Doidy Cup is the uniquely slanted open training cup to help infants during weaning. The two-handled Doidy Cup, has been scientifically designed with a unique slant in order to teach infants to drink from a rim, NOT a spout or teated bottle. The sloping design allows a more natural upward and downward motion of the hands and arms, it teaches infants to drink from an open cup and how to put it down correctly.