35th Annual Rockville Science Day

Sunday, April 26, 2026
Noon - 5:00 PM
Montgomery College (Rockville Campus)
51 Mannakee St, Rockville, MD 20850

Make plans to join 4,000 visitors for the largest STEM festival
in Montgomery County featuring
120+ exhibitors from around the region.

Robots + Rocket Building & Launches + Reptiles + Medicine + Environmental Science + Electric Cars + Chemistry + Telescopes + Math Games + Engineering + Makers + Coding
& so much more!
 

Admission and parking are FREE!
Food will be available for purchase.
Rain or shine!

Stay tuned to this space for more details as they
become available in the coming months.



2026 T-Shirt Design Contest
Calling all middle & high school students!
Enter our t-shirt design contest for the chance to win $100
and see your design printed on the
official Rockville Science Day t-shirts.






Registration is open for exhibitors