Sundown Naturals® Vitamin B 12 Supplement, 1 Bottle Jobst Ultrasheer 20 30 ThighHi Plastic life sized articulated adult Color:Yellow Plastic life sized articulated adult human skeleton * Arms and legs are removable for individual study * The skull (32 teeth) is dissectible into 3 parts with the mandible on springs * Mounted with a metal rod which extends from the sacrum * Comes complete with a mobile stand zippered dust cover and a skeletal system chart * Dimensions: 72 x 14 x 10 * Weight 42 Lbs * 0mm specula * Pocket Ophthalmoscope features: 5 aperture selections (small aperture large aperture fixation aperture semicircle aperture and red free filter) * 17 lenses from 20 to +20 diopters for better resolution * Illuminated dial * Silicon coated protection of glass components * Built in lens dust cover * Rubber brow rest prevents scratching of eyeglasses * Ophthalmoscope head made from polymid an impact resistant space age thermoplastic * AA metal battery handle interchanges * No artificial flavor Vitamin B 12 is essential for the normal formation of blood cells and contributes to the health of the heart and nervous system