(Note that he is using a fire engine ladder as a sword.)
Invention #1 - I'm never quite sure what exactly he is inventing, but he really enjoys doing it.
Invention #2 - the crane is attached to the high chair and the car is connected to the Garden Activity Center and the Kitchen
I must say, I don't remember the girls going through this stage. I saw plenty of ballerinas and fairies when the girls were small, and they liked to make forts, but Super has definitely taken things to a new level!