The 19th annual Techstravaganza will be held on May 13, 2023 from 10 AM to 4 PM at Thomas Jefferson High School for Science and Technology in Alexandria, VA. Admission is free and food will be for sale.  

Here is the registration link: https://tinyurl.com/techstrav2023tix. More information about the event can be found on their website at tjtechstrav.org.