(Le Mars) — Friday was the opening day for the 2015 KLEM Expo with hundreds of people viewing the more than 70 exhibitors on both floors of the Le Mars Convention Center.  At many of the booths, exhibitors were having fun with the Las Vegas theme by having attendees pick a card, spin-the-wheel, drop a chip in a slot, or even play roulette.  The KLEM Expo continues on Saturday with free admission and the hours between 10:00 a.m. and 3:00 p.m.