The Sports Cards Mega Show takes over the MOSH Performance Center in Franklin across the full weekend of Saturday and Sunday, August 29 and 30, 2026, and the two-day format is what sets it apart from the rest of the Milwaukee-area calendar. Most southeastern Wisconsin shows are one-and-done Saturday affairs that empty out by mid-afternoon. This one gives dealers a reason to unpack everything they own, and it gives collectors a second morning to come back for the card they talked themselves out of on day one.
The timing is deliberate and it matters. Late August is the hinge point of the collecting year in Wisconsin: baseball is heading into a pennant chase, the Packers are in camp with rookie cards freshly landed, and football product is arriving on shelves week after week. Dealers who have been sitting on summer inventory finally start moving it, and buyers who spent August watching prices settle come in ready to spend.
On the floor you will find a genuinely broad mix rather than a sports-only room. Baseball tables run from 1950s Topps and Bowman through junk-wax monster boxes priced to clear, into modern Prizm, Optic, Select, Mosaic and Topps Chrome, with strong Brewers and Milwaukee Braves representation throughout. Football leans Packers hard — expect Favre, Rodgers, Love and a wall of vintage Starr and Nitschke — with NFL rookie inventory across every team. Basketball, hockey, UFC, boxing and soccer all have dedicated dealers. Trading card game vendors stock Pokemon singles and sealed from vintage WOTC through current Scarlet and Violet sets plus Japanese imports, along with Magic: The Gathering, Yu-Gi-Oh!, One Piece, Disney Lorcana and Dragon Ball. Graded cases feature PSA, BGS, SGC and CGC slabs at every price point, and the perimeter usually holds autographed memorabilia, game-used pieces, comics, Funko Pops and hobby supplies at better-than-online pricing.
Hours run 9:00 AM to 6:00 PM Central on both Saturday and Sunday — nine hours a day, which is unusually generous for a regional show and makes it easy to split your visit around a meal. Admission was not published on the show listing at the time of writing, so budget for a modest door fee and confirm on the event page before you leave home. There is no advertised VIP tier or early-entry package; children are welcome and typically admitted free with an adult.
The MOSH Performance Center is in Franklin, about twenty minutes southwest of downtown Milwaukee and an easy drive from Oak Creek, Greenfield, Muskego and the Racine corridor. Parking is free and on-site, and the building's athletic-facility footprint means wide aisles and a floor that stays comfortable even at peak attendance.
This show suits everyone from a first-timer with a shoebox to a dealer restocking a case. Play it this way: come Saturday at open for first crack at fresh inventory, walk the whole room once before buying anything, and come back Sunday afternoon when sellers are weighing whether to repack. Bring cash first and digital payment second, carry a want list broken out by sport and TCG title, and pack sleeves, top loaders and a slab case for the ride home.
