Kids’ Science Birthday Parties in Cheltenham
Unique Science Parties in Cheltenham, Stroud, Cirencester, Gloucester and surrounding areas
Make your child’s day with our unique, wow-factor science parties full of rockets, slime, potions and eruptions – perfect for children aged 3-11 and available across Cheltenham, Gloucester, Tewksbury, Stroud, Cirencester and surrounding areas.
View Services Sparks, slime, eruptions and rockets at your child’s birthday party — from only £150! Fun Science Cheltenham brings the science party to you — your home, garden, village hall or hired venue. Our children’s entertainers are Enhanced DBS checked, carry £5 million public liability insurance and are paediatric first aid trained, so you can sit back and relax while we take care of the wow factor (and the clean-up) to make sure your child has the best birthday party ever.
All prices include up to 20 children, and extra children can be added at just £2.50 each. Mats are provided so there is no need to worry about mess, and we bring every bit of kit with us. Age guidelines are suggestions only — choose the package you think will suit your child best. Check your date: call 07894 440519 or email cheltenham@fun-science.org.uk — weekend slots book up fast.
Alternatively you can email cheltenham@fun-science.org.uk or phone 07894 440519. Not based near Cheltenham? Click here to find your nearest branch.
Add party bags to your package and only pay for the number of children that turn up on the day! We have three options — basic, deluxe or book only.
Kids’ Parties Across Cheltenham & Gloucestershire
Looking for a kids’ party in Cheltenham, Gloucester or anywhere in Gloucestershire that isn’t another bouncy castle? Based in Cheltenham since 2020, we travel up to 25 miles at no extra charge — covering Gloucester, Tewkesbury, Bishop’s Cleeve and the villages in between — and further afield for a small mileage surcharge. Planning a party in the Five Valleys or the Cotswolds? We have dedicated pages for you:- Kids’ birthday parties in Gloucester — Quedgeley, Longlevens, Churchdown and across the city
- Science birthday parties in Stroud — Nailsworth, Minchinhampton and the Five Valleys
- Science birthday parties in Cirencester — Kemble, Siddington and the Cotswold villages
What Makes a Fun Science Party Different?
Most children’s birthday parties in Cheltenham follow the same formula. Fun Science parties engage the brain while wowing the senses — an unforgettable event of explosions, potions, rockets and slime. Every child takes part in the experiments, every child goes home with a certificate carrying their own science name, and parents get the easiest party they have ever hosted.Choose Your Science Party Package
Jump to a package: Incredible Illusions · Crazy Chemical Celebration · Sweets and Surprises · Fantastic Physics · Super Science · Chemical Electrical Extravaganza · The Complete Package · Party BagsNEW! ⭐ Incredible Illusions – £150
Approximately 45 minutes, recommended for ages 5-8 Part magic show, part science lesson — our newest party packs gravity-defying tricks into 45 high-energy minutes.- Tricks and surprises galore
- Levitation, dancing snakes and fireballs
- Every child makes a “balancing acrobat”
- A certificate for every child with their own science name
Crazy Chemical Celebration – £150
Approximately 45 minutes, recommended for ages 3-8 Our classic potions party — bubbling, fizzing, erupting chemistry for the youngest scientists, and the slime goes home with them.- Potions and eruptions
- Every child makes slime to take home
- Bubbles with a very special surprise
- A certificate for every child with their own science name
Sweets and Surprises – £150
Approximately 45 minutes, recommended for ages 4-11 The tasty one — edible science from an exploding lemonade fountain to make-your-own sherbet and candyfloss.- Potions and eruptions
- Every child makes sherbet to take home
- An exploding lemonade fountain
- Children make and try candyfloss and fizzy drinks
- A certificate for every child with their own science name
Fantastic Physics – £170
Approximately 1 hour, recommended for ages 5-11 Big bangs and bigger hair — rockets, fog rings and our Van de Graaff generator turn your venue into a physics lab.- Exploding test tubes
- Giant fog rings
- A huge outdoor rocket launch
- Hair raising and lightning on the Van de Graaff generator
- Making a human circuit
- A certificate for every child with their own science name
NEW! ⭐ Super Science – £180
Approximately 1 hour, recommended for ages 7-11 A fresh hour of crowd-pleasers — from smoke bubbles to the leaf blower levitator.- Smoke bubble grab
- Paper rocket race
- Rainbow glasses rave
- Leaf blower levitator
- A certificate for every child with their own science name PLEASE NOTE: We do not recommend this package for children under 7, as some of the activities are a bit fiddly.
Chemical Electrical Extravaganza – £190
Approximately 70 minutes, recommended for ages 7-11 Seventy minutes combining our best chemistry and electricity demonstrations — built for older scientists who want more.- Potions and eruptions
- Every child makes slime to take home
- Hair raising and lightning on the Van de Graaff generator
- Making a human circuit
- A certificate for every child with their own science name
The Complete Package – £240
Approximately 60 minutes before food then 30 minutes after. Really can’t decide? Book the complete package! We will run our Chemical Electrical Extravaganza package for roughly 60 minutes before your children sit down to eat their party lunch/tea (not included), then we will wait and either run a Sweets and Surprises party with sherbet making, a lemonade explosion and candyfloss making, or a shortened version of the Fantastic Physics package with rocket launches, popping test tubes and fog rings for half an hour after the children have finished eating. Please state which option you would prefer when enquiring (sweets or rockets). Alternatively you can email cheltenham@fun-science.org.uk or phone 07894 440519. Not based near Cheltenham? Click here to find your nearest branch.Science Party Bags in Cheltenham – From £2 per child
Add party bags to your package and only pay for the number of children that turn up on the day! We have three options — basic, deluxe or book only.Book only – £2 per book. A science book (RRP £5.99) for every child at your party. Only pay for the number you need on the day. Please note this is just the book and does not come with a bag. Book style may vary.
Basic – £2.50 per bag. Popping candy, a pipette (for science experiments at home), a Fun Science balloon, a ‘Refresher’ sherbet chew bar, a growing animal and a thank you slip. In a stamped, compostable, paper bag.
Deluxe – £3.50 per bag. A science book (RRP £5.99), popping candy, a pipette, a Fun Science balloon, a ‘Refresher’ sherbet chew bar, a growing animal and a thank you slip. In a stamped, compostable, paper bag. Book style may vary.
Please let us know if you are hoping to order party bags at least three weeks before your party as stocks may be limited.
Booked a Fun Science party in Cheltenham, Gloucester or surrounding areas? Click here to download our FREE printable invitation.
Cheltenham Science Party FAQs
What ages are Fun Science birthday parties for?
Most packages suit ages 4–11. Crazy Chemical Celebration works brilliantly from age 3, while Chemical Electrical Extravaganza is pitched at 7–11. Age guidelines are suggestions only — you know your child best.Where can we hold the party?
Anywhere you like — your home, garden, a village hall or a hired venue. We come to you with all the equipment and we know most of the halls across Cheltenham, Gloucester, Stroud and Cirencester.Do you have recommended birthday party venues in Cheltenham?
Yes — most of our parties happen in village halls, church halls and community centres around Cheltenham (or at home, which works just as well). Tell us roughly where you are and which package you fancy and we will advise what fits: bigger shows like Fantastic Physics need outdoor space for the rocket launch, while Crazy Chemical Celebration fits in an average living room.How much does a science birthday party cost?
Packages run from £150 to £240 and include up to 20 children — extra children are £2.50 each. Party bags are an optional extra from £2 per child. Travel within 25 miles of Cheltenham is included in the price.How messy does it get?
Controlled chaos! We bring mats, manage the experiments and handle the clean-up, so your venue (or carpet) is safe.How long does a party last?
Between 45 and 70 minutes depending on the package. The Complete Package runs for about 60 minutes before food and 30 minutes after — roughly 90 minutes of entertainment in total.Are your entertainers checked and insured?
Yes. Our Cheltenham entertainers hold Enhanced DBS checks, £5 million public liability insurance, paediatric first aid and food hygiene qualifications.What are some science birthday party ideas?
Pick a theme to match your child: magic-style tricks (Incredible Illusions), potions and slime (Crazy Chemical Celebration), edible science (Sweets and Surprises), rockets and lightning (Fantastic Physics), or a mix of everything (The Complete Package). Add science party bags and our free printable invitations and the whole party is themed start to finish.How far in advance should I book?
Weekend dates fill up fast, so book as early as you can. If you would like party bags, please order at least three weeks before the party as stocks can be limited.More From Fun Science Cheltenham
Birthdays are just the start — we also run science holiday clubs, school science workshops, after-school science clubs and free school assemblies across Gloucestershire.Enquire about a science birthday party
Run Your Own Fun Science Branch
A Fun Science franchise is perfect if you want to run your own business without the risks and hassle of starting up alone. Interested? Then click the link for more information!