Glide Balls have a fun mesmerizing effect. As they roll across a desk or table, they appear to be sliding or gliding. The secret to Sliding Glide Balls is their construction: they all have a clear hard plastic outer cover and clear liquid inside. You can roll a Sliding Glide Balls to take a break during your day and to relieve your stress. Check out our unique selection of Glide Balls, including Eye Glide Balls and Light Up Sliding Glide Balls.