Complex sentence: Then, the car goes through Pleasure Island and through all the fun stuff until they went up to Lampwick turning into a donkey and through the Coachman doing his whip and caged the punished children as donkeys.
Split into simpler sentences: Then, the car goes through Pleasure Island and past all the fun stuff. The guests then see Lampwick turning into a donkey, before the car passes the Coachman doing his whip and caging the punished children as donkeys.