Skip to content
Mastodon-Logo-Horizontal_Default_Alt
  • Who We Are
    • Mission
    • History
    • Meet the Board
    • Fair Committee
  • Participate
    • Getting Started
    • Rules
    • FAQ
    • Register
  • How You Can Help
    • Donations
      • Monetary
      • In-Kind
      • AmazonSmile
      • Prairie Farms – Our Caps Your Cause
    • Volunteer
    • Company Sponsor
  • Media
    • Blog
    • Events
    • Document Center
  • Contact
  • Who We Are
    • Mission
    • History
    • Meet the Board
    • Fair Committee
  • Participate
    • Getting Started
    • Rules
    • FAQ
    • Register
  • How You Can Help
    • Donations
      • Monetary
      • In-Kind
      • AmazonSmile
      • Prairie Farms – Our Caps Your Cause
    • Volunteer
    • Company Sponsor
  • Media
    • Blog
    • Events
    • Document Center
  • Contact
DONATE
Mastodon-Logo-Horizontal_Default_Alt
  • Who We Are
    • Mission
    • History
    • Meet the Board
    • Fair Committee
  • Participate
    • Getting Started
    • Rules
    • FAQ
    • Register
  • How You Can Help
    • Donations
      • Monetary
      • In-Kind
      • AmazonSmile
      • Prairie Farms – Our Caps Your Cause
    • Volunteer
    • Company Sponsor
  • Media
    • Blog
    • Events
    • Document Center
  • Contact
  • Who We Are
    • Mission
    • History
    • Meet the Board
    • Fair Committee
  • Participate
    • Getting Started
    • Rules
    • FAQ
    • Register
  • How You Can Help
    • Donations
      • Monetary
      • In-Kind
      • AmazonSmile
      • Prairie Farms – Our Caps Your Cause
    • Volunteer
    • Company Sponsor
  • Media
    • Blog
    • Events
    • Document Center
  • Contact
12 events found.

Events Search and Views Navigation

Event Views Navigation

  • List
  • Month
  • Day
  • Week
  • Map
Today
  • July 2023

  • Fri 21
    July 21, 2023 @ 6:00 pm - 10:00 pm

    2023 2nd Mastodon Fair Mouse Races

    Elks Lodge #1721 4 Elks Club, Festus, MO, United States

    The Mastodon Fair would like to invite you to it's 2nd Mouse Race fundraising event. This event is open to the community. Come enjoy the races plus take a chance on the basket raffles and Mouse Roulette! There will be a wide variety of baskets and items available! Items will include gift cards, merchandise, and […]

  • December 2023

  • Fri 15
    December 15, 2023

    Science Safety Paperwork Due

    This is 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 (https://www.mastodonfair.org/getting-started/) for details and necessary forms. Contact [email protected] or 314-529-1329 for more information.

  • February 2024

  • Fri 16
    February 16, 2024 @ 6:00 pm - 11:00 pm

    Rock-N-Roll BINGO

    Elks Lodge #1721 4 Elks Club, Festus, MO, United States

    Doors Open—6 p.m. BINGO Starts At—7 p.m. Price Includes Beer, Soft Drinks, Tea, & Lemonade. 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! Bring your own snacks. Salute to the Decades of […]

  • March 2024

  • Fri 15
    March 15, 2024 @ 8:30 am - 5:00 pm Fair Set-Up

    Fair Set-Up

    Jefferson College–Field House 1000 Viking Drive, Hillsboro, MO, United States

    Setup for the 2024 Fair begins! Volunteer Opportunities Available Contact: [email protected]

  • Sat 16
    March 16, 2024

    Project Registration Closes

    Project Registration Closes at 11:59 p.m. on Saturday, March 16, 2024

  • Sun 17
    March 17, 2024 @ 12:00 am - March 18, 2024 @ 12:00 pm

    Extended Project Registration

    Extended Project Registration Opens at 12 a.m. on Sunday, March 17, 2024 (Fee is $20 per project registration) Extended Project Registration Closes at 12 p.m. on Monday, March 18, 2024

  • Sun 17
    March 17, 2024 @ 12:00 am - March 18, 2024 @ 12:00 pm

    Extended Project Registration

    Extended Project Registration Opens at 12 a.m. on Sunday, March 17, 2024 (Fee is $20 per project registration) Extended Project Registration Closes at 12 p.m. on Monday, March 18, 2024

  • Sun 17
    March 17, 2024 @ 1:00 pm - March 18, 2024 @ 12:00 pm Project Drop-Off

    Project Drop-Off

    Jefferson College–Field House 1000 Viking Drive, Hillsboro, MO, United States

    Sunday, March 17 from 1-5 p.m. Monday, March 18 from 9 a.m.-12 p.m. All projects should be dropped off during these times to the Field House at Jefferson College. Art Portfolios Due no later than 12 p.m. on Monday, March 18. No Late Entries Accepted!

  • Mon 18
    March 18, 2024

    Project Layout/Set-Up

    Closed to the public 12:00 PM - ?

  • Tue 19
    March 19, 2024 @ 10:00 am - 7:00 pm Judging

    Judging

    Closed to the public Always looking for Science Judges. Please sign-up today! Tuesday, March 19 from 10 a.m.-7 p.m.

  • Thu 21
    March 21, 2024 @ 4:00 pm - 7:30 pm

    Open Viewing, Art Scholarship, MAS, & International Science Scholarship Competition Interviews/Presentations

    Jefferson College–Field House 1000 Viking Drive, Hillsboro, MO, United States
  • Fri 22
    March 22, 2024

    Project Scoring/Awards & Certificate Tabulations/Finalization

    Closed to the Public!

  • Previous Events
  • Today
  • Next Events
  • Google Calendar
  • iCalendar
  • Outlook 365
  • Outlook Live
  • Export .ics file
  • Export Outlook .ics file

Who We are

  • Mission
  • History
  • Meet the Board
  • Fair Committee

How you can help

  • Donate
  • Sponsor
  • Volunteer
  • Feedback

Participate

  • Register

Stay up to date with the latest and greatest events, notifications, and annual winners by subscribing!

DONATE
Mastodon-Logo-Horizontal_Default_Alt
Facebook-f Twitter Linkedin Youtube

All donations are tax deductible, as the Mastodon Art/Science Regional Fair is a 501(c)3 non-profit organization. Please make checks payable to: Mastodon Fair. Our mailing address is: Mastodon Fair, 1000 Viking Drive, Hillsboro, MO 63050.

Feedback

We strongly encourage feedback and would love to hear from you. We are going through a lot of changes lately and we want to ensure we meet the needs of our community.

Oh no!

Registration is closed

We typically open registration as early as October, so please check back later. We’re working hard to take your feedback and build a bigger and better Art and Science fair. We look forward to seeing you there!

Stay up to date with the latest and greatest events, notifications, and annual winners by subscribing!

DONATE
Skip to content
Open toolbar Accessibility Tools

Accessibility Tools

  • Increase TextIncrease Text
  • Decrease TextDecrease Text
  • GrayscaleGrayscale
  • High ContrastHigh Contrast
  • Negative ContrastNegative Contrast
  • Light BackgroundLight Background
  • Links UnderlineLinks Underline
  • Readable FontReadable Font
  • Reset Reset