Play Magic Pen - free on Bubblebox.comWay back in 1687 Sir Isaac Newton wrote down his famous three laws of motion. Now, centuries later, these three basic rules have finally found their use. You are presented a hands-on experience seeing these basic laws of physics being applied to the shape you have just drawn. You can combine object with pins and hinges to create machines that come to life as they are affected by gravity. Make clev
