3rd Annual
Pumpkin Stem

A pumpkin-powered fling into fall

Come out to Carriage House for the 3rd Annual Pumpkin STEM Festival, where we launch pumpkins with our giant, homemade trebuchet. It’s a sight you have to see!

Also included: historical demonstrations, local artisans, kids’ activities, great food and drinks, music, and more. See details below.

Don’t miss out!

Save the Date!
SATURDAY, NOVEMBER 7th ∙ 11-6p

Event Details

Date

Saturday, November 7, 2026

Location

Carriage House Farm
2872 Lawrenceburg Road
North Bend, OH 45052

Time

11AM – 6PM

Price

General admission is FREE

What to Expect

Activites, vendors and MORE

The Pumpkin STEM Festival is back—and bigger than ever! This free, family-friendly event brings together the best of hands-on science, ancient technology, and seasonal fun.

Enjoy an immersive day of:

  • Trebuchet Pumpkin Launches
  • Historical Demonstrations
  • Atlatl Range – try your hand at ancient hunting techniques
  • Artisan Marketplace 
  • Food & Drink Vendors
  • Hourly Lego League Demonstrations  
  • Kids Zone   
  • Live Music

The Pumpkin STEM Festival is back—and bigger than ever! This free, family-friendly event brings together the best of hands-on science, ancient technology, and seasonal fun.

Enjoy an immersive day of:

  • Trebuchet Pumpkin Launches
    • Large Trebuchet with a 19-foot throwing arm!
    • Mini Trebuchet (first come, first served)
  • Historical Demonstrations
    • ARI flint knapper Nathan Thomas
    • Rising Sun Metal Works blacksmith 
    • Glass blowing with Neusole Glassworks (1 PM – 3 PM)
    • Living Historian strolling the grounds
  • Atlatl Range – try your hand at ancient hunting techniques
  • Artisan Marketplace 
    • 4M Naturals
    • Suds Pharm
    • Handmade by Peg
    • Rockworlds by Cathy 
    • Weavers Guild
    • From the Earth Gems
    • AND MANY MORE!
  • Food & Drink Vendors
    • Carriage House Farm BBQ
    • Lost Bridge Beverage 
    • Michelle’s Cookies & Pastries
  • Hourly Lego League Demonstrations  
  • Kids Zone   Cost: $5 
    • Petting Zoo (11 AM – 3 PM)
    • Face painting (12 PM – 4 PM) 
    • Pumpkin crafts
    • Pottery, cordage, and looms
    • Pumpkin decorating  *additional $5 for pumpkin
  • Live Music
    • 12:00 PM – Sonya Moomaw
    • 2:30 PM – Kinda Grassy
    • 5:30 PM – Adam Gilliam 

Pumpkin Launch Pricing

Large Trebuchet 

  • $20 per launch (pumpkin provided)
  • $15 BYOP (Bring Your Own Pumpkin)

Small Trebuchet
(No Registration Needed – First Come, First Served)

  • $10 per launch (pumpkin provided)
  • $5 BYOP (Bring Your Own Pumpkin)

Raffle Baskets & Split the Pot:

  • 2 tickets for $5
  • 5 tickets for $10
  • 12 tickets for $20

Sign Up Now

  • 1Select Ticket
  • 2Attendees
  • 3Payment
  • 4Confirmation
Select Date *
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November 2026

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Chosen:
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Large Trebuchet Launch
$10.00
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Available Tickets: 6
The "Large Trebuchet Launch" ticket is sold out. You can try another ticket or another date.

Where pumpkins fly and Curiosity Soars

More than just a fall festival, Pumpkin STEM is a fundraiser supporting ARI’s Experimental Archaeology and Land Stewardship programs. Your participation helps preserve the past, protect the land, and inspire future scientists and innovators.

Presented by the Archaeological Research Institute (ARI)

The Archaeological Research Institute is a nonprofit dedicated to protecting and interpreting archaeological resources, fostering environmental stewardship, and providing immersive learning opportunities that connect the past to the present.

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