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In addition to being a terrific toy, this plastic spring is an excellent device for demonstrating various properties of physics such as inertia, gravity, potential energy, kinetic energy, and longitudinal waves. Developed for younger students with a larger size (3-3/4" W x 3" H) that is easier to handle and does not tangle. Comes in our choice of color (orange, pink, or blue).
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
