The slime lab inside Little Astronauts, Hull
Step inside Professor Gloop’s lab for Hull’s ultimate slime-making experience. Every child mixes, stretches and customises their own slime, then takes it home.
From £14.95
Ready, set, Gloop!
Sessions run at weekends and in the school holidays. Every session is led by our lab team, and every child takes their slime home. See the timetable
1 hourAdults: £2.50 each. One adult per child is required, two at most, as the lab is cosy.
Book The Gloop Experience
Slime plus soft playAdults: £3.75 each. One adult per child is required, two at most.
Book Play & Gloop
10 to 15 childrenEvery child takes their slime home as a party bag they’ll actually love.
Plan a Gloop Party
Seasonal slime events like potion making and Halloween custard slime. Spaces are limited, so book early.
Our next special events are being planned now. Follow us on Instagram or join the AstroClub free to hear first.
Follow @planetgloop
A party in Professor Gloop’s lab where every guest makes their own slime, plus 2 hours of play at Little Astronauts. We handle the set-up and the food, you just bring the cake.
School trips, clubs and private events. Hands-on slime science that builds creativity, confidence and problem-solving.
Smaller birthday groups can also join a standard session, within our capacity limits.
Planet Gloop is a hands-on slime-making lab inside Little Astronauts in Hull. Children mix, stretch and customise their own slime with our lab team, then take it home.
Sessions run at weekends and in the school holidays. See the timetable for this week’s sessions, then pick a time when you book.
Ages 3 to 12. Strictly no under 3s.
Yes. Adults are £2.50 for The Gloop Experience and £3.75 for Play & Gloop. One adult per child is required, with a maximum of two, as the lab is cosy.
Old clothes are strongly recommended, as slime can get messy.
Yes. Every child takes home the slime they made.
Arriving early is essential, as sessions start on time. If you arrive more than 5 minutes late, entry is not refunded.
A slime-making party in the lab for 10 to 15 children, with 2 hours of play at Little Astronauts. We handle the set-up and food. It’s £26.95 per child.
Yes, within our capacity limits and with no more than one adult per child. Outside food and drink aren’t allowed.
Our slime is non-toxic and child-friendly, but it shouldn’t be eaten.
Use warm water and vinegar on the mark, then wash as normal.
Free parking in the Prospect Shopping Centre car park. Give us your car registration when you check in, one car per booking.
Call 01482 738388 or email hello@planetgloop.co.uk
Sessions run at weekends and in the school holidays. Spaces in the lab are limited, so book online to secure your spot.
