Gravity Powered Xylophone Another look at the gravity powered xylophone which I could watch forever. Facebook Prev Article Next Article Videos Checkout these cool gadgets... Related Posts Intriguing Complex Machine Build To Turn A Newspaper Page 10 Ton Drop Hammer Dubai Skyscraper With Rotating Floors Starter Fluid Tire Inflation [MythBusters] Make Bubbles with Your Old CDs Using Virtual Reality to Buy Multimillion Dollar Real Estate