WDS006 Wave Demonstrator Set, Spiral Spring, 3/4" x 72"
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. Includes activity guide.
Shipping weight for WDSET1: 2.5 lbs
| Item# | Description |
| WDSET1 | Wave Demonstrator Set (both springs and cotton string) |
| WDS006 | Spiral Spring, 3/4" x 72" |
| FCS003 | Flat Coiled Spring, 3" x 4" |
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