Like most items, it cannot be attached with a red anchor.
They are used to make cars and to be attached to many other contraptions.
Sometimes volleyball is played with the ball. Even soccer and wallball can be played by this ball.
A ball has a bounciness level of 0.9; this makes it possible to use the ball as a makeshift trampoline to reach otherwise unreachable places.
The ball pit on map 36 automatically spawns balls at the beginning of the level.
On Map 69, the balls that are created will explode after a short time. Ghost versions of balls also exist, and are known to make bigger explosions than their standard counterparts.
The ball consumable item is thrown near vertically, but, other than that, it functions like a normal shaman-spawned ball