Our OgoSport Disk Set includes two disks that measure 12 inches in diameter and an OgoSoft ball perfect for outdoor or indoor play. The foam and spandex construction of the disk set make it waterproof and perfect for pool and beach play. Our trampoline game is small enough to store and easy to pack. Take this simple 3 piece set with you anywhere you go for some quick family fun! Each hand trampoline is perfect for bouncing balls or water balloons back and forth up to 150 feet or can be used as a frisbee. For ages 6 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.