Powered personal watercraft, namely, powered surfboards, powered paddle boards, powered kayaks, and powered canoes; Propulsion systems for personal watercraft, namely, propulsion systems for powered surfboards, powered paddle boards, powered kayaks, and powered canoes, the systems including a propeller, a motor to power the propeller, a battery, a battery charger, and a wireless remote control to control the motor; Conversion kits to make personal watercraft into powered personal watercraft, ...