It looks like the levers are stuck on the elevator. Have the Agent use its strength to flip all the levers so the Villager can bring down the children's ball.
Use the ||hoc2020:agent move||
block to climb up the wall and ||hoc2020:toggle lever||
to toggle a lever on.
hoc2020.moveAgent(SixDirection.Left, 0)
hoc2020.flipLever()
//
hoc2020-ts=github:rewrite-media/hoc2020-ts#v0.5.2