Here are video clips and photo collages of Bar and Bat Mitzvahs. This event is commemorates a young person's reaching religious maturity in Judaism and occurs at 13 or later for boys and 12 or later for girls. The synagogue service involves chanting of a passage from the Bible, a speech, and other service parts conducted by the honoree. It is usually followed by a party or reception which can range from simple snacks to a full-scale formal event.