Hello those in the computer universe. I am here to tell you about a fun, safe, and easy activity. That you can do with your family. It`s called build up jumping jacks. First you start with jumping up and down. after, you have done that five times you add in the arms. Next you ad in the legs. Then after that you minus the legs. Next the arms. At the end you will jumping up and down again. When you have done all that you have done one jumping jack. A note to parents with toddlers. This is a great and safe way to burn off their energy. By the end they will be begging for a nap.