GREAT DEMO
Equal-Length Spring Set
Equal-Length Spring Set
U.S. Educator Price
$49

These springs appear to be the same except for their colors. But, when equal masses are hung on them, each stretches a different amount.

What's Included
  • 1x White storage box
  • 5x Five (color-coded) springs 30 cm long
What to Consider

See the Buying Guide for this item's required, recommended, and additional accessories.