Getting good intuition about beautiful geometry. Getting introduced to scientific thinking. Appreciate good stories, understand what makes stories interesting while learning some of the techniques of syorytelling.
Watch Wes Anderson's Mr. fantastic Fox and answer questions about plot, motives, emotions. See behind curtains of how the movie was made.
Tiling chessboard, getting introduced to Packing problems. X-only pentominos, tiling and cutting.
Scientific thinking. Bouncy balls. Play with different structures, figure out how to make and structure sturdy.