Galaxy STEM Fest 2026

Get ready to blast off into the future at Galaxy STEM Fest!

Join us on Saturday, April 18th for our FREE, family-friendly festival celebrating the intersection of STEM and history at Heritage & Science Park in Downtown Phoenix. This great community event features local vendors and nonprofits, hands-on activities for all ages, thrilling demonstrations, delicious food trucks, and more!

Interested in being a vendor? Fill out our vendor application!
https://forms.gle/4u8u51cRgqCPbSxi9

You may also like the following events from Rosson House at The Square PHX:

• This Thursday, 5th February, 07:00 pm, Nighttime History of The Square Walking Tour in Phoenix
• This Sunday, 8th February, 10:00 am, Love Letters & Lemonade: A Valentine's Day Picnic in Phoenix
• This month, 21st February, 10:00 am, Family Fun Day @ The Square PHX in Phoenix

Also check out other Festivals in Phoenix, Food & Drink events in Phoenix.