X1 – Water Bike is as Cool as it Gets I don’t know much about this device but it is one of the coolest things I seen. Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts The Watch that Just Vibrates Christmas Sweater Turns Into a FirePlace with Smartphone Propeller at the Front and Back of a Plane Prototype Shocking Arm Wrestling Automatic Dog Ball Launcher Unocycle Prototype