16-Piece Human Teeth Anatomical Model Set, 2X Life Size Material_Acrylic the drilled aluminum ball gives

the drilled aluminum ball gives a lightweight contrast to steel and brass balls of the same size in pendulum period and momentum-transfer demonstrations

Sturdy wooden pulley simple-machine model with multiple pulleys mounted in series and parallel

and follicles on a mounted base for dermatology teaching

Dissectable three-part head joins eleven removable torso organs to expose cranial nerves

16-Piece Human Teeth Anatomical Model Set, 2X Life Size Material_Acrylic the drilled aluminum ball givesComplete set of sixteen tooth type models at 2x life size supports full dentition dental anatomy teaching, from incisors through molars with root structures visible.