The 25th Annual Thingamajig Invention Convention is coming!

Thursday, July 25th, 2019 from 9am-3pm! 


The YMCA of Metropolitan Washington’s Thingamajig® Invention Convention inspires children to utilize their creativity and strategic thinking skills.

Children participating in Thingamajig® have numerous opportunities to learn, play and be inspired through STEM. Join youth from our community for a day filled with hands-on exhibits, challenges, and workshops. Open up the world of endless possibilities! 

Location: The Show Place Arena 
Prince George’s Equestrian Center 
14900 Pennsylvania Avenue 
Upper Marlboro, MD 

Click here to view photos of previous Thingamajig Invention Conventions! 


  • Registration forms will need to be completed for each child that will be attending this event with your camp, organization, or staff.

If your organization would like to volunteer, please contact Genette Comfort. 

Genette Comfort 
Vice President of Philanthropy