Ribs -Human Plastic/12, These models are a realistic replica of the human rib bones on the left side of the body. These plastic rib bones are a great alternative to real bone
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws