Monday, July 29, 6:30 p.m., Tween Time: Egg Drop Challenge, Southington Library. Free. Tweens going into grades 5-8 are invited to participate, Use materials provided to create a structure that will be egg safe when it is dropped from a set height. Registration is required, seating is limited. Please visit the library website, southingtonlibrary.org and click on Calendar or contact the Reference/Information desk at 860-628-0947, ext. 5. For more information, contact Teen Librarian Nicole Kent at email@example.com.