Bar and Bat Mitzvah to the event. However, this does not delay the onset of rights and responsibilities of being a Jewish adult which comes about strictly by virtue of age. The obligation to lay tefillin begins when a boy reaches bar mitzvah age. The common custom is for the bar mitzvah boy to begin putting on tefillin one to three months before his bar mitzvah. This way, by the time he is obligated in the commandment, he will already know how to fulfill it properly. The first mention of a party associated with a synagogue bar mitzvah was in the 13th century, so
Mitzvah tank in "military fashion" in which "campaigns" and battles are fought, hence the naming of the vans and trucks as "tanks". The strategy behind the Mitzvah tank "campaigns" was designed and encouraged by the seventh rebbe of Chabad Lubavitch, Rabbi Menachem Mendel Schneerson . Mitzvah tanks can be vans, travel trailers, recreational vehicles, campervan or pickup trucks. On Sukkot, vehicles may be fitted with a portable Sukkah (the Sukkah-mobile). Mitzvah tanks are put into operation on the eve of major Jewish holidays and Fridays prior to Shabbat. The vehicles often have large banners or logos on them, extolling some aspect of