This is the original puzzle designed in 1974, which was called the "Magic Cube". It was later redesigned and marketed in 1980 as the Rubik's Cube.
The little one seemed to enjoy other parts of the museum better, especially areas of building things. Although she wants to be a teacher one day, I see the potential for a fantastic engineer.
A "Lean-to" shelter when sleeping in the woods.
Another favorite activity where she had to strategically place building structures with parks to keep a city "balanced".