ScienceGeek Newton's Cradle Desktop Gadget 3 LED Colors Change Shine Light Ball Balance Ball

ScienceGeek Newton's Cradle Desktop Gadget 3 LED Colors Change Shine Light Ball Balance Ball

• The Newton's Cradle Light changes colour as it swings.
• There are three colors of the balls when it is working. You can press the button on the left to change the colors.
• You can put it on your office desk or your home desk or on your shelf. It will be cool desk toy
• Adult gadget toy , not fit for child toy, Performing based on Newton's Laws
• Power: 6 x AA Batteries (Not included)

Newton's Cradle is a classic desk toy. Also known as "Balance Balls", "Newton's Pendulum", "Kinetic Balls" and "Newton's Balls", this executive office toy demonstrates the law of conservation of momentum. <br><br> The motion of this 5-ball cradle is the most addicting way to demonstrate Newton's law of conservation of momentum and energy.<br><br> As it works its physics magic, the lights change between blue and red and there are 3 different light modes. You can choose whether you want the lights to flash, fade or begin a cycle.<br> Light Source: LED <br>Size: 20cm*15cm*18cm <br>Material: Plastic+ Frosted Glass <br>Batteries: 6 X 1.5V AA alkaline batteries (not included) <br>Package Included: 1 x Kinetic Light <br>Newton's Cradle Balance Ball (Battery is not included)