Automobile Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7 x 6.3 x 9.4, can build models of the 10 vehicles in the story. Large, colorful plastic building pieces make it easy for small hands to put the models together
Spirometer, designed to make human respiratory measurements at rest and during moderate activity. Used to perform a variety of experiments related to air flow and lung volume. Removable flow head (22 mm ID/30 mm OD) makes it easy to clean and sterilize
Determining the density and mobility of charge carriers in n-Germanium, Optional additional setup available for determining the density and mobility of charge carriers in p-Germanium by ordering 586852 p-Ge on plug-in board.