• All ages
  • £15 per child, £10 per adult, £5 per toddler
  • W5
  • 6pm-9pm
  • 28th Oct 2026
  • Seasonal Event
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Tricks, Treats & Frightful Delights

Get ready for a night of tricks, treats and Halloween mischief! W5 is staying open after dark for a frightfully fun family night packed with creepy creatures, ghoulish games, spooky science and plenty of surprises.

Dress up your little monsters, grab your Halloween bags and get ready to explore W5 after dark, if you dare!

Here’s what awaits you…

Trick or Treat

Embark on a magical hunt around W5 with Trick-or-Treat Stations sprinkled throughout the floors. Little monsters can fill Halloween bags with treats, sip on bubbling punch, munch on themed snacks, and discover spine-tingling surprises at every stop. It’s a journey of sweets, science, and seasonal fun!

Splat the Bat

Head into the Immersive Space on level 2 and put your skills to the test. How many bats can you splat?

It’s a simple, spooky challenge that’s sure to bring some Halloween fun to your evening!

Face Painting

Get Halloween-ready with our professional face painters and transform into your favourite spooky character. From wicked witches and creepy creatures to terrifying monsters, add the finishing touch to your Halloween costume with a frightfully fun new look.

Balloon Modelling

Watch ordinary balloons become extraordinary creations! Our balloon modellers will be conjuring up all kinds of Halloween-inspired shapes and characters throughout the evening.

Live Animal Encounters

Meet some of the creepy, crawly and downright fascinating creatures joining us for the evening! Get up close to a selection of live animals and discover some weird and wonderful creatures that are sure to capture the whole family’s attention.

Monster Mash Disco

Get ready to shake your bones! Dance, sing and show off your best Halloween moves at our Monster Mash Disco, with a soundtrack packed with Halloween favourites to keep the whole family moving.

Fancy Dress Competition

It’s time to show off your best Halloween look! Costumes are encouraged, so whether you arrive as a ghost, ghoul, monster or something completely your own, make sure you dress to impress.

The best-dressed family will WIN a W5 Membership.

Pumpkins and Potions Live Show

Prepare for a frightfully fun science spook-tacular! Pumpkins and Potions brings eerie experiments, bubbling concoctions and surprising reactions to the Lecture Theatre for a Halloween show packed with plenty of wow moments.

Get ready for science with a spooky twist. You never quite know what will happen next!

Spooky Square

Something has gone wrong in Spooky Square, and Boo Ghost needs your help! Step into the immersive Halloween world and help Boo uncover the mysteries standing between him and his Halloween Festival.

Explore, investigate and see what you can discover as you help get the celebrations back on track.

Exclusive Discounts

Fancy taking a little Halloween magic home with you? Enjoy 15% off everything in the W5 Gift Shop on the night!

From LEGO and science-inspired goodies to soft and snuggly plush toys, there’s plenty to browse once your Halloween adventure is complete.