A toy doll system is provided including a self-pressurized fluid receptacle disposed within the doll having a first outlet valve and a second outlet valve operably connected to the receptacle. The nose piece assembly has a pair of legs connected to the pad mount, a pair of nose pads carried by the legs and pivotably movable toward and away from each other, and a bias mechanism for biasing the nose pads toward each other so that the nose pads are safely held in any selected vertical positions. The solvents in the nail coating composition are aliphatic solvents; cycloaliphatic solvents or combinations thereof. by altering the ATP gradient across biological membranes. The unevenness detecting apparatus for compensating for the threshold voltage and method thereof may accurately sense a state of minute unevenness such as fingerprints by using an active element as an element of which pixel circuit is composed. Fonts at each key position are livelier and smarter, and symbol at each key position are enlarged.