Thank you for choosing us-BLI BYAN among the vast crowd. We are committed to the innovation of toys. You can rest assured to use our products to bring convenience to your life Features: 1. Easy to play. Load a rope, point it in the direction you want it to go, press the button, and let'er Zip! 2. Since ZipString simulates your actions, there are endless possibilities. You will be surprised at what you can do with a short rope at once. As your skills improve, you will be able to use longer strings. 3. The rope slides gently and follows the outline of the object interacting with it. In doing so, it simulates fascinating shapes and patterns. With its gentle flow, you can even deflect the water flow with your hands and barely feel it. describe: material: plastic Size: 8*16.5cm Color/style: as shown in the picture Weight: 110g 1 x propeller with rope