Making the girl turn around to the front, with a scowl look on her face.

Then...

The boat starts getting fast again, start speeding down the river again.

It starts getting even more wild, starts spinning and dipping down into the river, causing chocolate to fly up.

But none of the chocolate gets into the boat before it slows down.

The boat enter an even large room with large skylight, letting natural sun light in the room.
Willy and Evelyn looked to see his hand around her waist, immediately separate from each other...blush appearing on their cheeks.

Five seconds later...

A bright red door comes into sight straight ahead as the boat starts drifting towards it.

PRIVATE

KEEP OUT!

"Stop the boat!" Willy shouts out, waving his cane in the air.
"I wanna show you something!" he excitedly tells them as the Oompa Loompa stop rowing, docking right in front of a door.

The Invention Room