Description
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 |
| UNWDSET1 | Wave Demonstrator Set (Both Springs & Cotton String) | Set |
| UNWDS006 | Spiral Spring, 3/4″ x 72″ | Each |
| UNFCS003 | Flat Coiled Spring, 3″ x 4″ | Each |






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