Please copy and paste the Following Link in your browser to see the product demonstration. http://bit.ly/PlayNLearnNewtonsCradle Have you been fascinated by a Newton's Cradle Educational Toy? Why not, create your very own with this self assembly Play N Learn STEM DIY Newton's Cradle Kit? This learning resource comes complete with all the materials and step-by-step instructions with illustrations manual. For parents and teachers, this is a suitable tool to illustrate how energy can be transferred from one object to another. There's even an explanation to reinforce student's understanding of the Newton's Cradle. A useful educational Science toy. Age appropriate 7 years and up.