A typical marble game usually requires a certain level of skill to become accomplished. This particular game only goes in a circle. It is repetitive, undemanding and has no end goal.
Many people may feel caught in their daily routine. This could be traced back to the times when humankind lived as hunters and gatherers: When facing the struggle for survival there was not much room left to complain about the monotonies of daily life.
Life has changed a bit since then. Many people nowadays, at least in first world modern society, have their basic needs met. So, is boredom maybe a luxury problem? Occurring only when everything else is settled?