Product description size: 14 * 6 * 4.5 cm(5.5 *2.3*1.7in) color: Pink.Blue;Green;Dark Blue what in the box: Luminous Rope Toy*1 ;1* 3-meter line glow-in-the-dark cords ;1*USB cable. How to use: Open the cover, put the rope into it, lightly press and hold the button for 3.4 seconds, the blue light comes on.Smooth plastic case with a USBC connector next to the product, Warm Tips: The glow-in-the-dark rope of the rope launcher can be self-heated and bonded, which solves the problem of rope breakage when rotating at high speed. More than just a rope, the Rope Launcher is a glow in the dark shooting sports toy and stress reliever for outdoor play that will inspire your curiosity and imagination to experience magical spinning shapes and flying speeds.