Original Slinky Metal Spring Toy - Classic Fun for Kids & Adults - Perfect for Stress Relief, Science Experiments & Party Favors

A classic must have toy that provides endless entertainment and a hands-on experience with physics. Learn about the concepts of Hooke’s law by stretching and compressing the Sproing in creative ways. The packaging comes with printed diagrams of fun tricks you can perform with the Sproing to experience the laws of physics in the most entertaining ways possible!