Don't break the laws of physics, break the boredom of your desk instead with Newton's Cradle Z! This newton-inspired desk toy is perfect for adding a little fun to your work day - and you won't even need a master's degree to get it up and running. Keep it on your desktop for a dose of motion-filled fun any time you need a break. The perfect blend of physics and fun!

• Solid steel ball, good feeling of vertical sense, strong force when applied.
• A good present for a child or friend's birthday, Christmas, etc.
• The bracket is made of metal and the base is made of solid wood for good texture.
• The carbon steel bass is of good rust and corrosion resistance