Features: Luminous bouncing ball: Fun bouncing ball toys can easily stimulate children39;s interest in sports, help encourage children to staying away from dependence on video, let children enjoy a healthier life style. Sensory training bouncing ball: This luminous bouncy ball can exercise coordination, balance and improve children39;s concentration. It only takes 10 minutes a day to effectively improve your physical fitness. EASY TO USE: Slide your foot through the rings and swing the rope ball around your ankle in a circular motion. Keep jumping over the ball and rope with your other foot, don39;t missing the jumping or step on the rope. It is one of the best exercise equipment for people of all ages. Widely Applicable: Perfect for bouncing games, birthday parties, game prizes, etc., can be used in the classroom or office, you can exercise at home without going out. High-quality material: This sensory integration training bouncing ball is made of high-quality material, light and soft, round and not hurting hands, safe and reliable. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: plastic, electronic components Ball diameter: 10.5cm Rings diameter: 12.5cm Total product length: 55.5cm Power supply: Built-in button battery Age of use: 3 years old and above Package List: 1 x Colorful Glowing Bouncing Ball