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Giant Metal Spring - 3.75 inch diameter - Image One Giant Metal Spring - 3.75 inch diameter - Image two
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Giant Metal Spring - 3.75 inch diameter

by xUmp.com   Item#: 16827  
List Price:$15.99
SALE PRICE: $9.95 /each
You Save: $6.04 (37%)
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This metal coil spring is ideal for visually demonstrating wave properties, such as frequency, wavelength, and interference both in the classroom and at home.  It's also a classic novelty toy bringing joy to all ages and generations.  Its famous for its propensity for 'walking' down staircases; just place one end of the coil on two different stair steps, and watch as the coil springs its way down the steps.

Features:

  • Metal coil perfect for classroom demonstrations of wave properties
  • Great for many experiments, hands-on, a student favorite
  • Novelty toy famous for entertaining kids of all ages
  • Performs tricks!  Watch it 'walk' down a staircase


Age:
8 +
Box Size:
4.00 x 4.00 x 3.00 inches
10.16cm x 10.16cm x 7.62cm
Weight:
0 lb 13 oz
0.35 kg

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