16-Piece Human Teeth Anatomical Model Set, 2X Life Size Material_Acrylic Sturdy wooden pulley simple-machine model

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

Enlarged three-times life size with seven separable parts exposing cornea

but is ideal for classroom

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

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

16-Piece Human Teeth Anatomical Model Set, 2X Life Size Material_Acrylic Sturdy wooden pulley simple-machine modelComplete set of sixteen tooth type models at 2x life size supports full dentition dental anatomy teaching, from incisors through molars with root structures visible.