Measurement -- Longer/Shorter. Easy for my five year old but good practice for her to work independently. Was surprised my two year old sorted and match the lines on her own the way they are in the picture. Super easy to put together.
It's one thing to teach concepts like characters, setting, and plot. Most kids get these without too much trouble, but it's another thing to teach your kids to find the theme of a piece of literature. This higher level thinking, much more abstract re