Mastodon Fair Rock-N-Roll BINGO
2026-02-27 18:00 - 22:00 (America/Chicago) | Elks Lodge #1721, 4 Elks Club, Festus, MO, 63028, United States
Doors Open at 6 p.m. & BINGO Starts at 7 p.m.
$175 for a Table of 8 or $25 per Seat. Price Includes Beer, Soda, Coffee, Tea, Lemonade, Juices, & Rail Drinks. Bring your own snacks.
Prize for best table decorations/costumes. Theme: Rock-N-Roll Hall of Famers. Examples: Elvis Presley (1986), Tina Turner, (2002 & 2024), Ozzy Osbourne (2024), Cher (2019), ABBA (2010), KISS (2014), The Beatles (1988), Elton John (1994), and Madonna (2008).
BINGO, but not as you’ve heard it! Replace numbers with your favorite songs. Join us for a night of BINGO, Music, & Fun to help raise funds for a great cause!

2026 Fair Extended Project Registration Open
2026-03-01 00:00 - 2026-03-16 12:00
Extended Project Registration Opens at 12 a.m. on Sunday, March 1, 2026 (Fee is $20 per project registration)
Extended Project Registration Closes at 12 p.m. on Monday, March 16, 2026
Project Drop-Off
Sunday, March 15 from 1-4 p.m.
Monday, March 16 from 9 a.m.-12 p.m.
All Other Fair Events Scheduling are TBD

2026 Fair
2026-03-15 - 2026-03-21
Science Safety Paperwork Due on Friday, December 12, 2025 for projects being entered to compete in International Events: ISEF (9th-12th), Missouri Academy of Science (6th-12th), & Thermo Fisher Scientific Junior Innovators Challenge (5th-8th Only). See www.mastodonfair.org for forms and more details. Contact director@mastodonfair.org with questions.

Project Registration Opens at 12 a.m. on Wednesday, October 1, 2025 (Fee is $10 per project registration)
Project Registration Closes at 11:59 p.m. on Saturday, February 28, 2026
Extended Project Registration Opens at 12 a.m. on Sunday, March 1, 2026 (Fee is $20 per project registration)
Extended Project Registration Closes at 12 p.m. on Monday, March 16, 2026
Project Drop-Off
Sunday, March 15 from 1-4 p.m.
Monday, March 16 from 9 a.m.-12 p.m.
All Other Fair Events Scheduling are TBD

2026 Fair Project Drop-Off
2026-03-15 13:00 - 16:00, 2026-03-16 09:00 - 12:00 | Jefferson College–Field House, 1000 Viking Drive, Hillsboro, MO, 63050, United States
Project Drop-Off
Sunday, March 15 from 1-4 p.m.
Monday, March 16 from 9 a.m.-12 p.m.
All Other Fair Events Scheduling are TBD
