In chapter 4 of To Kill a Mockingbird, Jem and Scout begin finding objects left for them to discover inside a knot-hole of an oak tree at the Radley's. The first object Scout discovered was a piece of Wrigley's Double-Mint gum. The second object they find is a box with two polished Indian-head pennies. Hope this helps.
Open-air movies are when there is a big projector screen that shows a movie and you park your cars in lines and watch inside the car or on top or next to it.
