The Hoberman Mini Sphere - Light-Up Starbright is an awesome stress relief toy. Light up the night! 8 bright LED lights activate when the sphere is expanded and shut off automatically. This flashing ball expands from 5.5 inches to 12 inches with one easy motion. The simple function of this transforming sphere makes it an extremely addictive desktop fidget toy. A sphere of multiple colors that you can throw, bounce, kick, spin, roll and suspend. Your co-workers will most likely visit you just to play with it. The Hoberman Mini Sphere - Light-Up Starbright light brighten your day and it will help liven up your workspace.