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W5 Science & Discovery Centre

whowhatwherewhenwhy - W5 is Ireland's award-winning science and discovery centre for kids of all ages at the Odyssey in Belfast. With over 250 interactive exhibits and a changing programme of events, shows and exhibitions, W5 is a great day out for all the family!

Exploration begins on the ground floor with just a taster of what you can expect on your journey of discovery. Play with butterflies on an interactive wall, create smoke rings or launch hot air balloons high into the air. Climb the musical stairs to Level 2 where you’ll find START, a colourful interactive exhibition area specially created for 8s and under. Younger visitors can make music, make a splash or even role-play in a miniature supermarket, boat, castle or café!

The two main exhibition floors house hundreds of immersive activities in a series of themed areas where your journey of discovery includes areas such as Flight, Nature Quest, Crime Lab, Spy School, Weather Watch and much more. 

For full details of upcoming events and exhibitions, visit


This summer, discover W5's BIGGEST exhibit ever! Climbit is an unusual mixture of physical fun, exploration and art! This huge multi-storey climbing structure, which is a cross between a maze and a jungle gym, takes over the Atrium at the heart of W5 this summer.

The first of its kind in the UK and Ireland, Climbit is a unique, visually elegant, three dimensional sculpture specially designed for climbing. Oval platforms suspended from steel pipes and cables let visitors traverse over, under and through the amazing structure. Suitable for ages 3-16 years old.