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Details
Set includes two helical springs and a 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.
| ITEM NO. | DESCRIPTION | UOM | PRICE |
| UNWDSET1 | Wave Demonstrator Set (Both Springs & Cotton String) | Set | $26.15 |
| UNWDS006 | Spiral Spring, 3/4" x 72" | Each | $18.05 |
| UNFCS003 | Flat Coiled Spring, 3" x 4" | Each | $ 6.95 |
