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Use this item to study and illustrate wave motion. This high-quality spring is designed for use in demonstrations and experiments. It is able to stretch up to several times its original length!
Comes with a Teacher’s Guide
Closely wound spring 0.75″ (20 mm) Dia. is 6.5 ft (2 m) long and can be extended up to 33 ft (10 m)
Age14+
Approx. Ship Size10.00 x 5.75 x 2.65 in
25.40 x 14.61 x 6.73 cm
25.40 x 14.61 x 6.73 cm
Weight2 lb 1 oz
0.94 kg
0.94 kg
⚠ Safety warning
CHOKING HAZARDSmall parts. Not for children under 3 yrs.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Customer Reviews
Snake spring wave demonstratorBill Layton from USA, CA, Los Angeles
Larger diameter than I expected. I have yet to use them but I expect they will be as good as the smaller ones I have used before.
