Panel 1: Close-up of the two figurines beside each other next to the lever. The curly connecting wire extends off the page.
Speech bubble: I guess you're right.
Two long thin panels for spacing to indicate time.
Panel 4: A book slightly open and propped up like a tent, with 2 toy trolleys underneath and one emerging.
Panel 5: One of the kids placing down tracks so that they line up with a tongue sticking out in concentration.
Panel 6: The kid on the left holding up a trolley and smiling. The kid on the right holding a section of track and looking up with an open mouth.