Climb aboard the staircase train
To get it moving use your brain
Full steam ahead to your destination
You can go anywhere with imagination...
A big brother and his little sister are bored at home on a rainy day, until they climb aboard their staircase train and are taken on a venturesome journey where they come face to face with a dinosaur, are captured by pirates, rescued by a pterodactyl, join forces with bears and sent on a mission...