What events occurred in pages 52-54?

Chapter Four begins with Scout doubting the educational system.... she is bored. Scout and Jem also find various gifts left for them in the knot-hole. After school lets out, Dill returns for the summer, and the children get into mischief. Rolling tires (with them inside) into the Radley's front yard and playing the Boo Radley game. Their game, however, comes to a quick end when Atticus catches them playing.

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