WAVE DEMONSTRATOR SPRING SET (BOTH SPRINGS AND COTTON STRING), 1,
Item Description:
WAVE DEMONSTRATOR SPRING SET (BOTH SPRINGS AND COTTON STRING)
Product Family Description:
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