A combination Black Jack tournament and pool party at 8 p.m., Saturday, July 20, benefits the Foothills Optimist Club of Tucson's children's programs; $50, $40 in advance, $5 additional entry fee for the tournament. Admission includes use of the wave pool, a DJ, gambling chips, souvenir cups, a snack and a hot-dog bar. Guests must be at least 21. Visit foothillsoptimistcluboftucson.com/
, or call 906-1908 for reservations and more information.