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National STEM Festival: Open Build Day (FREE Public Expo, All Ages)

June 27, 2026 to June 27, 2026

Acoustic Hour at The Square
1850 K Street Northwest
Washington,District of Columbia, 20006

10:00 AM - 11:30 AM

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EXPLR\'s National STEM Festival’s FREE public expo — hands-on builds + teen innovation showcases. All ages welcome.

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Map & Directions

Acoustic Hour at The Square, 1850 K Street Northwest, Washington, District of Columbia, United States, 20006

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