Description
Extra long spring (21cm when compressed) allows you to magnify your wave demonstrations to illustrate traveling waves and wave patterns. Included stand prevents tangling or damage to super spring during storage. Includes activity guide.
$ 19.34 Original price was: $ 19.34.$ 5.80Current price is: $ 5.80.
Extra long spring (21cm when compressed) allows you to magnify your wave demonstrations to illustrate traveling waves and wave patterns. Included stand prevents tangling or damage to super spring during storage. Includes activity guide.
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