Product Code:
SCIENCEQEDUSTEMLAB220024
Description:
Wavy Spring 75 mm Di
Wavy Spring 75 mm Di -Show transverse and longitudinal waves in an entertaining and age old fashion. Our flat metal "wavy spring" is 75 mm in diameter and 100 mm tall. It extends many times its length without distortion. Use either horizontally on the floor or table and extend by cord from on high.
