Bill and Ben, the mischievous twins of the railway, Always causing trouble in Monstropolis, every single day. They chug and they puff, down the tracks they race, Leaving behind a trail of chaos in their place. From pulling pranks on the other engines in the yard, To playing tricks on the passengers, catching them off guard. But deep down inside, they have hearts of gold, Always there to help, when the story is told. Bill and Ben, the dynamic duo you can't deny, Spreading joy and laughter as...