The best slime kits, science experiment kits, and craft boxes for kids in the UK — reviewed by age range.
Looking for a birthday present that'll actually get used? Need something to keep everyone busy on a rainy half-term afternoon? A good craft kit is the answer.
We've tested and reviewed the best slime kits, science experiment kits, and creative craft boxes available in the UK — organised by age range so you can find the right one quickly. All prices are in pounds, and everything ships within the UK.
For the littlest creators, look for chunky pieces, non-toxic ingredients, and minimal frustration. These kits are designed for small hands and short attention spans.
| Kit | What's Inside | Price | Our Rating |
|---|---|---|---|
| Galt Sensory Play Dough Set | 5 colours of play dough + tools + texture stamps | ~£10 | ⭐⭐⭐⭐⭐ |
| Baker Ross Craft Kits | Various themed kits (animals, vehicles, seasonal) | ~£6–£8 | ⭐⭐⭐⭐ |
| Orb Slimy Creations Jr | Pre-made safe slime in squeezable tubes | ~£8 | ⭐⭐⭐⭐ |
Best in class: The Galt Sensory Play Dough Set. Brilliant quality, non-toxic, and the texture stamps add an extra layer of fun. Adult supervision essential for this age group.
At this age, kids can follow simple instructions and start mixing their own creations. Slime kits are a massive hit.
| Kit | What's Inside | Price | Our Rating |
|---|---|---|---|
| Cra-Z-Slimy Creations Super Slime Studio | Slime powder, colours, glitter, containers | ~£15 | ⭐⭐⭐⭐ |
| Science4you Slime Factory | 8 experiments, educational booklet, lab coat | ~£12 | ⭐⭐⭐⭐⭐ |
| Kinetic Sand Ultimate Sandisfying Set | 907g sand, 10 moulds and tools, tray | ~£20 | ⭐⭐⭐⭐⭐ |
| Hobbycraft Own-Brand Craft Box | Mixed media crafts, seasonal themes | ~£10 | ⭐⭐⭐⭐ |
Best in class: Science4you Slime Factory. Educational angle, loads of experiments, and the included lab coat makes kids feel like real scientists. Fantastic value. Adult supervision recommended for mixing activities.
This is peak slime territory. Kids at this age want customisation, experimentation, and impressive results. These kits deliver.
| Kit | What's Inside | Price | Our Rating |
|---|---|---|---|
| National Geographic Mega Slime Kit | 4 types of slime + putty + lab guide | ~£20 | ⭐⭐⭐⭐⭐ |
| Elmer's Slime Kit Deluxe | Glue, activator, glitter, colour changing | ~£15 | ⭐⭐⭐⭐ |
| STEM Science Experiment Kit | 30+ experiments including slime, crystals, volcanoes | ~£18 | ⭐⭐⭐⭐⭐ |
| Original Stationery Unicorn Slime Kit | Everything for unicorn-themed slime | ~£15 | ⭐⭐⭐⭐ |
| Klutz Make Your Own Soap Kit | Melt-and-pour soap making | ~£15 | ⭐⭐⭐⭐ |
Best in class: National Geographic Mega Slime Kit. Genuinely educational, impressive variety of slime types, and National Geographic's production quality is a cut above. The lab guide explains the science behind each experiment. Adult supervision recommended.
For older kids and teens who want something more sophisticated.
| Kit | What's Inside | Price | Our Rating |
|---|---|---|---|
| Resin Art Starter Kit | Epoxy resin, moulds, pigments, glitter | ~£20 | ⭐⭐⭐⭐ |
| Candle Making Kit | Soy wax, wicks, fragrance oils, tins | ~£15 | ⭐⭐⭐⭐ |
| Bath Bomb Making Kit | Moulds, citric acid, bicarbonate, colours | ~£12 | ⭐⭐⭐⭐⭐ |
⚠️ Important: Resin kits require proper ventilation and should only be used with adult supervision. Follow all safety instructions included with the kit.
Keep one of these in the cupboard for half-term emergencies:
Best Craft Kits for Kids — reviewed, rated, age-graded. Adult supervision recommended for all craft activities. Part of GOO.