Light up your next promotional activity or event with these dynamic yo-yos! This 2" round plastic toy has a translucent design that lets you see the workings inside and a red blinking light that activates while it's spinning. Each comes with two LR31 button cell replaceable batteries—so the fun can start right away. Great times for everyone from kids to adults. Break out classic tricks like the sleeper, around the world, and walking the dog! Choose a color and add your school, sports team, organizational, or company logo or message to customize. The item is packaged in an individual polybag. NOTE: • Yo-yo halves may loosen up with continued use. Please turn one side to tighten it again to replace the string or tangle. Turn each half in the opposite direction to loosen up to remove the string or tangle.