Sometimes, to climb up, you must go down to the bottom. It so happened that the red ball to hit the infernal pit, leading to hell. Little imp enticed to be a toy. There was hope that if the ball falls to the bottom, it will throw the demons, as an unnecessary thing, as long as you need to get down a dangerous slope, do not fry in hellfire, no hitting the rusty spikes or teeth flying hell guards. Management - arrows.