A set of 10 liquid-filled compasses, perfect for a variety of science experiments, especially those involving magnets. Also makes a great inexpensive prize idea for science classroom contests. Each compass has a diameter of 1 inch (25mm) and a height of 0.26 inches. Black base and white markings make taking readings on the go easy.
Note: These compasses may contain a small air bubble. This is normal and does not impede the compass function.
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