High Quality Material: Our toys are made of high quality ABS material and are not easily damaged. It is very convenient to use 2pcs AA batteriesWithout battery for power supply. Simply Operation: Attach a rope and point in the direction you want to go, then press a button. Easy to Carry: Just wrap the rope tightly around its body. It is compact and can be carried around in a pocket. Funny Toy: The rope slides smoothly and follows the outline of the object it interacts with. In doing so, it mimics fascinating shapes and patterns. With its smooth flow, you can even split the water with your hands and barely feel it. Achieve the Impossible: Because it simulates your actions, the possibilities are endless. You'll be amazed at what you can do with just one short string at a time. As your skills improve, you will be able to use longer ropes.