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Price:
$27.95
Grooved wheels used with rope to change direction and point of application of a pulling force. Excellent for small groups or individual study. Includes a detailed activity guide which details the history of the model, practical applications, and classro... More. |
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Price:
$94.95
Grooved wheels used with rope to change direction and point of application of a pulling force. Weight included along with a detailed activity guide which details the history of the model, practical applications, and classroom experiments. 30" x 14... More. |
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