20th annual model contest and vendor fair. New location this year. Show runs from 9 a.m. to approximately 3 p.m .

Model contest has over 35 categories and 10 “Best of” awards. Special category is “Red, White, and Blue” (anything in those colors for the color scheme and/or markings). Contest entries accepted from 9 a.m. to noon. Hobby vendors, display-only area, and kit raffle to benefit Gateway Chapter IPMS.

Admission is $5 for adults and free for children aged 12 and under. Admission plus unlimited contest entries is $10 for adults and free for children aged 12 and under.

Show chairperson Bill Wagner may be reached at 314-951-4936 or startechbill@gmail.com. Forms available on the contest website.