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 Sinking an Aircraft Carrier – Sinking the Unsinkable First person view of a firefighter fighting fire is so intense What Happens From A to B When Shipping an Item? Fishing With An RC Helicopter Interactive Water Wall A 22,000 lb Vibratory Compactor, Turned Into a Music Box