This economical, life-size articulated adult plastic skeleton is ideal for teaching the basics of anatomy when intricate textural nuances of the bone are not required. The arms and legs are removable for study. Features nerve branches, vertebral artery, and herniated lumbar disk. Skull includes movable jaw, cut calvarium, suture lines, and three removable lower teeth. Mounted on a sturdy 16 in. W x 3 in. H metal base. Base includes caster wheels for easy transport. Includes study guide. Skeleton measures 5 ft. 6 in. tall. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.