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Ships within 48 hours · Estimated delivery Nov 12 - Nov 17
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Ships within 48 hours · Estimated delivery Nov 12 - Nov 17
) of sand (not included)
This basic principle is behind the operation of the lever and many other basic devices
24' diameter
Assists in Allergen Particle Control
Pulley, Student Model EDR-MTB856 ) of sand (not included)When a cord is run over a pulley, the direction of the applied force is changed. This is a very useful principle in many different machines, and a basic principle that shows up again and again in physics classes. This device lets students explore and understand this basic principle. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized.
US$ 150.00
US$ 24.99
US$ 129.00
US$ 169.99
US$ 169.99
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