IPMS/Mid-Michigan Model Makers presents the 39th Annual "4M Mayhem!" Model Contest and Show. New permanent venue! Saginaw Valley State University (SVSU) - Ryder Center Hamilton Gym! 10,000 square feet of models, vendors, raffles, and more! Back by Popular Demand, Makin' Bacon Food Truck. Doors open 8 am, Judging starts 12 pm, Awards 4 pm.