Sports Shoelace Wheels Shoes Men And Women Pulley Student Single And Double WheelLED is USB charging. Takes a couple of hours to fully charge and can last up to 8 hours The wheels can be removed easily at the bottom and changed into regular shoes. You can remove 1 or both wheels if needed Shoes are waterproof for short bursts also Roller Skates can be replaced if they get damaged Shoes are made with fine material and are really great to keep kids busy when shopping or taking them for a walk They are not hard to use and kids