Stable plastic material: the LED toy is made of stable plastic and can be applied repeatedly This automatic return ball helps to improve motor skills and hand-eye coordination, a useful toy for developing intelligence for teenagers Note: This toy is detachable, Please pay attention to check whether it has tight screws when you receive it.LED Light Yoyo: This entertaining yoyo adopts attractive and innovative LED lighting technology. When the yoyo is spinning, the LED lights will light up and flicker, which will be more eye-catching and interesting in the dark.Interesting toy: the responsive ball bearing yoyo is an ideal toy for teenagers and adults The combination of bright colors and stylish design can attract people's attention, lightweight and portable, so that people can play it without too much pressure, but it's a healthy and active game.Responsive yo-yo: ideal yo-yo for beginners, simple to use, stable and easy to hang on the yo-yo The size of each plastic yoyo is 5.5 x 5.5 x 4 cm/ 2.2 x 2.2 x 1.6 inches, this automatic yoyo return will help you improve your skills and confidence as you learn new skills.What you get: each set contains 2 reactive yo-yo balls Please note that colors are shipped randomly These are wonderful birthday party favors, creative classroom prizes, plush holiday stocking stuffers and school toys treasure chests, fun candy bag fillers, and more.