Best Science Party London: Kids' Party Venues 2026

Planning a kids' party and wondering which science party London option is actually the best? You're in the right place. A science party London is a brilliant, hands-on choice: slime, eruptions, static hair and take-home experiments, all run by a real science presenter. However, options vary — most come to you, but the shows and themes differ. So, as part of our party venue guides, we ranked every kids science party London option on PartyFind by its live review score, so you can book the right one with confidence.

At a glance: the best Science Party London top 3

How we ranked these venues

First, we pulled every science party venues london listed on PartyFind, then ranked them on one consistent basis. In short, here's the method:

• Ranked by live review score, highest first, so the best-rated venue sits at the top.
• Verified each venue is currently open and trading before including it.
• Checked the party details — what's included, timings, food and age range — for every option here.

What is a Kids Science Party London like?

A science party is a hands-on show: a trained presenter (or two) runs experiments the children join in with — slime, foaming eruptions, static electricity, dry ice and take-home creations. In addition, most science party venues London offers are mobile, so a presenter brings everything to your home, hall or party room with all the materials and safety kit. Furthermore, a childrens science parties London booking usually lasts about an hour to ninety minutes and suits ages roughly 6–12, often with a 15–20 child minimum. Before you book, check the minimum numbers, the space needed, and which experiments are included.

Science Party London: the full ranking

1. Kids with Brains

Rating: ⭐ 5.0/5 (86 reviews, Google)

Location: Stoke Newington (N16) — also travels to you

The top-rated option on the list — a Stoke Newington science party company whose presenters bring hands-on experiments to your venue.

For the party: 1 hour (£235) or 90 minutes (£265) for 20: two party hosts, two or three hands-on experiments, all materials and individual certificates; lab coats, party bags and dry ice can be added.

What parents say: Parents rate the two enthusiastic hosts, the hands-on experiments and the certificates each child takes home.

Links: View on PartyFind · Official website

2. Fab Science Parties

Rating: ⭐ 4.9/5 (18 reviews, Google)

Location: Across London — comes to you

A mobile science party company whose activities are all designed by a qualified science teacher, tested for both safety and fun.

For the party: Super Science Show or Potty Potions party £195 for 15 (1 hr): an interactive, teacher-designed show at your home or venue, with safety kit and printable invites; party bags optional.

What parents say: Parents rate the wow-factor demos and the character-led Potty Potions option that younger children love.

Links: View on PartyFind · Official website

3. Fizz Pop Science – East London

Rating: ⭐ 4.8/5 (12 reviews, Google)

Location: Bow (E3) — also travels to you

An East London science party company run by an experienced presenter, with high-energy, show-style themed parties.

For the party: Themed parties £165 for 15 (1 hr): choose Sublime Slime, Hair-Raising (Van de Graaff generator) or Sweet Science candy-making, with a presenter, materials and safety kit; extra experiments can be added.

What parents say: Parents rate the hands-on, take-home experiments and the energetic, show-style delivery.

Links: View on PartyFind · Official website

4. Mother Nature Science

Rating: ⭐ 4.2/5 (50 reviews, Google)

Location: Colindale (NW9) — also travels to you

A long-running science party company (since 2007) that has inspired hundreds of thousands of children, ideal for bigger groups.

For the party: Science Bonanza parties from £195 (Cool) to £295 (Mega Cool, adds slime and bubbles) for up to 20: a presenter, hands-on experiments, materials and invites; lab coats and party bags optional.

What parents say: Parents rate the hands-on experiments, the slime and bubbles, and the big-group (20-child) format.

Links: View on PartyFind · Official website

Tips for booking a Childrens Science Parties London parents will love

Finally, a few things to lock in before you book:

• Book early — the best slots at weekends and in school holidays fill up fast.
• Confirm the minimum guest number; many science parties price from a 15–20 child minimum.
• Check exactly what's included — experiments, timings and any extras vary between science party venues london packages.
• Match the show to the age group so the kids science party london suits every child coming.

All four providers above were verified as open and trading before publishing. No permanently closed venues appeared in the current London science listing.

So, which option should you book? On the numbers, Kids with Brains is the top-rated pick for a kids' party, with Fab Science and Fizz Pop Science close behind. Ultimately, they're all mobile, so pick the show and theme your child will love — slime, potions, candy or wow-factor chemistry. Meanwhile, for a science birthday party London it pays to book early and clear enough space for the experiments. Whichever science party London option you choose, confirm the minimum numbers, the space needed, and which experiments are included.