UK National STEM Festival 2027.
Cycle · The Builders
The National STEM Festival comes to London — six days of young innovators, industry mentors, and hands-on builds. Applications open September 16, 2026. Pre-register now to get a head start.
The Builders. London. 2027.
A multi-day showcase where student innovators meet corporate leaders and industry experts — hands-on demos, mentor roundtables, and all-ages community programming. More details, champions, and partners will be announced as we get closer to May.
This could be you.
Up to 40 National STEM Champions will be chosen for London 2027 — each winning a funded trip to present their project, meet industry leaders, and join exclusive experiences. The 2027 Champions haven't been chosen yet. Pre-register to enter.
Two days. Open to everyone.
A free, all-ages weekend of hands-on STEM — come build, experiment, and meet the innovators shaping what comes next, in the heart of London.
- WhenSaturday, May 8 & Sunday, May 9, 2027
- Where26 Leake Street, London
Free to attend · no registration required. Full programme announced closer to the Festival.
The people shaping the conversation.
The scientists, communicators, and innovators joining us in London — with more to be announced.
Dr. Tracy Fanara
Coastal Modeling Portfolio Manager, NOAA · Creator, "Inspector Planet"
Maynard Okereke
"Hip Hop M.D." — Science Communicator
Dr. Owais Durrani
Emergency Medicine Physician & Medical Analyst
Kevin J. DeBruin
Science Communicator & Former NASA Rocket Scientist
Confirmed for London 2027.
The organisations backing the UK Edition — with more to be announced.
Partner logos coming soon. Interested in partnering on the London Festival? Explore partnership →
Getting Champions to London.
Every selected National STEM Champion receives a funded 5-night / 6-day trip to London for themselves and a parent or guardian — travel and accommodation arranged by EXPLR, worth up to £2,000. No Champion misses the Festival because of cost.
Want to help more students get to London? Support the fund →