For our youngest scientists

Kickstart their curiosity at the Primary Science Fair

Part of the annual Stripe Young Scientist & Technology Exhibition, this non-competitive showcase is designed to spark a lifelong love for science, technology, and maths in primary school students. It will take place on 8–9 January 2026 at the RDS, alongside the main exhibition.

About the fair

A stepping stone to Stripe YSTE

For over 25 years, the Primary Science Fair has provided third to sixth class students with their first taste of a national science exhibition. It's an essential opportunity to build confidence, and inspires many students to become future participants in Stripe YSTE.

Entry Details

Get involved

To enter this year’s Primary Science Fair, please fill out the application form. Schools may submit more than one entry, but a separate form must be completed for each project. Please submit your entries by Friday, 14 November 2025 at 5:00 p.m.

The rules

Guidelines

Ethics and safety

Primary Science Fair FAQs

For queries specific to the Primary Science Fair, email yste@yste.ie with “Primary Science Fair” or “PSF” in the subject line. 
When is the application deadline for the Primary Science Fair (PSF) 2026?
How many qualified projects will be accepted this year?
How will judging for the PSF take place for 2026?
Will participating classes be able to present their project together virtually?
What is the maximum number of students per project?
How will a participating class present their project for PSF 2026?
On what dates will the PSF take place in 2026?
What are the categories that can be entered for the PSF?
The next generation

Spark interest in the wonders of science

The Primary Science Fair encourages young students to explore how the world works, setting them on a path of scientific inquiry and invention. Submit entries by 14 November at 5:00 p.m. for the chance to take part.