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 What You Will Miss Out On If You Don’t Live a Billion Years Bizarre Japanese Motorbike – Are those Feet? Shenzhen: The Silicon Valley of Hardware Water-Powered Car How to Turn a Woman Into a Barbie With Photoshop Amazing Liquid – Cornstarch