Durable Plastic Material: Crafted from sturdy plastic for repeated use. This automatic return ball toy enhances motor skills and hand-eye coordination, making it a valuable tool for developing teen intelligence. Note: This toy is detachable; please ensure screws are tightened upon receipt. LED Light Yo-Yo: This entertaining yo-yo features captivating and innovative LED lighting technology. As the yo-yo spins, the LED lights illuminate and flash, creating a more eye-catching and engaging experience in the dark. Engaging Toy: The responsive ball-bearing yo-yo is an ideal toy for teens and adults. Its vibrant colors and stylish design are sure to grab attention. Lightweight and portable, it offers a fun and healthy way to play without pressure. Responsive Yo-Yo: Perfect for beginners, this yo-yo is easy to use, stable, and simple to attach. Each plastic yo-yo measures 5.5 x 5.5 x 4 cm / 2.2 x 2.2 x 1.6 inches. This return yo-yo will help you improve your skills and boost your confidence as you learn new tricks. What You Get: Each set includes 2 responsive yo-yo balls. Colors are shipped randomly. These make wonderful birthday gifts, party favors, creative classroom prizes, stocking stuffers, school treasure box fillers, and fun party bag additions.