Mark your calendars for our 2nd annual Pumpkin Stem event!

2nd
Annual
Pumpkin Stem

A pumpkin-powered fling into fall.

Come out to Carriage House for The Second Annual “Pumpkin STEM” fundraiser. Come launch a pumpkin with our trebuchet – isn’t that enough? Okay, there will also be food, drinks, vendors, and plus other activities (such as pumpkin painting!). Be a part of Lawrenceburg’s best family friendly, fun, fall tradition.

Saturday, November 1.

Event Details:

Save the Date: November 1, 2025

Location: 
Carriage House Farm
2872 Lawrenceburg Rd North Bend, OH 45052

Time:
11:00 AM – 5:00 PM

Price:
General Admission is FREE

Join us for the second annual “Pumpkin STEM” fundraiser, hosted by the Archaeological Research Institute (ARI).  

Things to do!

Launch a pumpkin with our trebuchet! + Vendors + Demonstrations + Food + Drinks +Decorate your own pumpkin + Family Friendly

You are welcome to bring your pumpkins (must be small to medium size pumpkins)

*Suggested Donation Parking $2.00*

Where pumpkins fly and Curiosity Soars

More than just a 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.

What to Expect: Activities and Vendors Galore

More than just a 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.

What to Expect:

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
    • Full size and kid-safe
    • Must reserve a spot [SPACE IS LIMITED] → SIGN UP HERE
    • 1 large launch per family
    • $10 per person
    • BYOP! Bring Your Own Pumpkin (small to medium) or purchase on-site
  • STEM-Inspired Activities for all ages
  • Engineering Competition – see how far your pumpkin can fly!
  • Historical Demonstrations – including flint knapping, blacksmithing, and Indigenous gardening
  • Artisan Marketplace – shop handmade goods from local makers
  • Food & Drink Vendors – seasonal snacks, farm-to-table treats, and more
  • Kids Zone – pumpkin decorating, crafts, and games
  • Atlatl Range – try your hand at ancient hunting techniques

Become an ARI Insider

Subscribe below to get ARI updates directly in your inbox!