Set includes two helical springs and a length of cotton string. 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. Includes activity guide. Shipping weight for WDSET1: 2.5 lb.
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Shipping Time:
*This item usually ships in 7 to 10 business days. If product totals are over $100 and express shipping is chosen, it will ship in 2 to 3 business days. Note: The speed in which your order arrives is determined by the freight method you choose at checkout.
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