Silly Science Sunday
Join us for our 15th annual STREAM Festival on
Sunday, September 14, 2025, 11 AM - 4 PM at Wean Park.
OH WOW! spills onto Wean Park, downtown Youngstown, for a festival focused on hands-on, interactive STEM displays, more!
Free parking at parking lot indicated on the map. Street parking is also available.
Admission Free - no registration required
Get Involved
- Become an sponsor – Download Form
- Become an exhibitor – Apply online
- Become a food vendor - Apply online
*Chrome cookies and cache may need to be cleared for registration)
- Join the Planning Committee
- Volunteer at the Event
Contact, Katie, katie@ohwowkids.org or 330.744.5914
OH WOW! will be closed September 14th - 23rd
Thank you to our 2024 sponsors
Akron Children’s
The Business Journal
MCCTC
Youngstown State University STEM College
Valley STEM ME2 Academy
Daystar Marketing
Alta Care Group
Joy Cone Co.
MG Electric LLC
NEO Impact Academy
Hynes Industries
Carpenters Local Union 171
Novelis
Pizza Joe's
Dunkin Donuts
Western Reserve Building Trades
York Mahoning Mechanical Contractors
AVI Foodsystems
Baird Brothers Sawmill
City Machine Technologies Inc
Compass Family
Murphy Contracting Company
Fireline Incorporated