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

this classroom Van de Graaff kit demonstrates charge conservation

Built to grip round flasks and condensers during distillation or reflux

accepting solar-cell input or battery power for energy-conversion student demonstrations

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.