Premium Bicycle Wheel Gyroscope, 20" Diameter US-Unavailable Sized for compact classroom display

Sized for compact classroom display

Fifteen-times enlarged molar shows progressive caries decay through enamel and dentin into the pulp chamber

Tirrill burner on a stable octagonal base adds air

Built to grip round flasks and condensers during distillation or reflux

generating enough output in direct sunlight to spin a small motor or propeller during photovoltaic and renewable-energy student investigations

Premium Bicycle Wheel Gyroscope, 20" Diameter US-Unavailable Sized for compact classroom displayDesigned to demonstrate conservation of angular momentum and gyroscopic precession, this handle fitted bicycle wheel lets students feel torque resistance in a spinning mass.