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| Wave Demonstrator - Full Set Item number WDSET1. Regularly stocked item. Usually ships within 3 to 5 business days. United Scientific |
| Ground shipping for this item anywhere in the contiguous 48 states is just $18.85. If you wish to purchase more than one, please e-mail us at info@homeschoolingsupply.com with your ship-to city and zipcode and we would be pleased to provide a custom shipping quotation. |
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Set includes two helical springs. The long, narrow spring measures 3/4 x 72, and can be extended to 5 meters. The larger spring measures 3 x 4, and can be extended many times its length without distortion. |
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