Registration for the 2018 Mastodon Fair is Open Jan. 2nd – Feb. 5th, 2018

All students entering a project (1 science and/or 1 art) must register their project online  between  Tuesday, January 2nd and Tuesday, February 5th, 2018.

Cost is $10 per project (not per person) and can be paid via cash/check/credit, by volunteering 4 hours, by applying for a scholarship or at a 50% reduced rate by doing a school fundraising event for the Mastodon Fair. Sign up for a volunteer time by sending an email to or calling 314-529-1329.

Each K-12th grade student in public, private and home schools may enter one art and one science project. Students must live in or go to school in any of the following counties to be eligible to enter:  Jefferson County, Crawford County, St. Francois County (ART ONLY), Ste. Genevieve County, St. Louis County (ART ONLY) Washington County, Missouri and Brown County, Illinois.

Mastodon Fair Endowment Fundraiser Wine Sale
Mastodon Fair GuideStar Profile