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 Using Virtual Reality to Buy Multimillion Dollar Real Estate Why Windows Vista is Being Delayed All vending machine restaurant in Japan Top 20 Videos of 2009 from HighT3ch Revisiting the ICON A5 – Amphibious Aircraft Titanic: Fascinating Engineering Facts