---
title: "Slime — £776K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/slime"
last_updated: "2026-08-01T08:15:11.038Z"
locale: en
meta:
description: "Niche score 64/100 · £776K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 64/100 · £776K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Slime — £776K/yr Amazon UK Niche (2026) - Flapen"
---
# **slime**
**Worth a look**
Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 72Growth 17Conversion 33Competition 92Returns 98Price range 38Avg price 36Brand share 85Review moat 70Quality gap 85
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Competition**
**Great****23%**
top-5 click share — an open shelf
**Brand share**
**Great****50%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****£776K**
£776K/yr · 2.9M searches
**Review moat**
**Good****695.36**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£2.95–£22.36**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£10.33**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****2.6%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-15.9%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United Kingdom niche tracking, slime is a £776K/yr Amazon United Kingdom market (2.9M searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Dec. Verdict: Worth a look — 64/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **slime market data**
- **Units sold / yr**
- **80K–100K**
- avg 750–1,000/product
- **Revenue / yr**
- **£826K–£1.0M**
- units × avg price
- **Conversion rate**
- **2.6%**
- **Avg BSR**
- **#69**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **6.0%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.
**Brands**
**29 **▼falling
**Sellers**
**65**
**Top-5 brand share**
**50%**
Top 20: 93%
**Top-5 click share**
**23%**
Top 20: 60%
**Open market**
**43%**
- Kaoerdce13% - Canal Toys10% - Gui Gui9% - Rowecvce9% - YOPINSAND9% - iKidiki7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -15.9% search growth over the last 90 days.
100K60KSpike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/uk/toys-games/slime/trend)
## **Top slime search terms**
- **slime**1.7M/yr-16.1%1.6% conv. - **slime kit**495K/yr-8.4%2.7% conv. - **butter slime**150K/yr-12.2%2.3% conv. - **cloud slime**103K/yr-20.1%1.9% conv. - **slim**46K/yr-0.7%0.3% conv. - **fluffy slime**46K/yr-25.9%1.9% conv. - **slime set**51K/yr-12.5%1.6% conv. - **slime kits for girls**66K/yr-23.2%3.1% conv. - **slime kits**28K/yr-29.6%1.7% conv. - **slime cheap**23K/yr-36.8%0.4% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/slime/search-terms)
## **Top slime products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%2%£16K4%£31K6%£47K8%£62K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**So Slime Mixin sime bucket | Ready to Play Multicolour Slime Bucket | 3 colours availible comes with cute add-in decorations| Gift for kids 6+**Canal Toys**£3.47**4.3★2,256 rev](https://www.amazon.co.uk/dp/B088Q4P16X) [2**10 Pack Fluffy Cloud Slime Kit with Blue Cake Fruits Animals and Pink Games Charms Scented DIY Butter Slime Supplies for Girls and Boys Stress Relief Toy for Kids Education Birthday Party Favor**Kaoerdce**£7.90**4.2★103 rev](https://www.amazon.co.uk/dp/B0FPM85JHG) [3**Gui Gui Gloss Slime - Beautify & Level Up Your Slime With a Major GLOW-UP - 13 Different Gui Gui Scented Slimes and 4 Amazing Textures to Collect - Gifts for 6+ Year Girls Boys & Teens**Gui Gui**£8.77**4.0★324 rev](https://www.amazon.co.uk/dp/B0FDB2DFDH) [4**iKidiki Slime Making Kit Toys for 6 7 8 9 10 11 12 Year Old Girls Boys Gifts Birthday Galaxy Slime Kits for Girls 6-12 Year Old Girl Boy Gifts Fluffy Slime Kids Birthday Presents Craft Kits for Kids**iKidiki**£15.82**4.2★214 rev](https://www.amazon.co.uk/dp/B0D8PRL2BR) [5**BTOIURF 6 Pack Fluffy Butter Slime Kit Include 6 Pack Cute Mini Charms DIY Butter Slime Party Gift Super Soft and Non-Sticky Stress Relief Toy for Girls and Boys**BTOIURF**£8.15**4.4★63 rev](https://www.amazon.co.uk/dp/B0DQB9H9KN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Strawberry Butter Slime 7 oz. Scented Slime Kit Kids Toys Squishy Sensory Toy Cute Stuff for Girls Boys Teenage Girl Birthday Gifts Party Favors Stocking Stuffers for 4 5 6 7 8 9 10 11 12 Year Old**Keemanman**£8.01**237 rev10mo ago](https://www.amazon.co.uk/dp/B0FGWBZCMC) [**10 Pack Fluffy Cloud Slime Kit with Blue Cake Fruits Animals and Pink Games Charms Scented DIY Butter Slime Supplies for Girls and Boys Stress Relief Toy for Kids Education Birthday Party Favor**Kaoerdce**£7.90**103 rev11mo ago](https://www.amazon.co.uk/dp/B0FPM85JHG) [**Gui Gui Gloss Slime - Beautify & Level Up Your Slime With a Major GLOW-UP - 13 Different Gui Gui Scented Slimes and 4 Amazing Textures to Collect - Gifts for 6+ Year Girls Boys & Teens**Gui Gui**£8.77**324 rev1y ago](https://www.amazon.co.uk/dp/B0FDB2DFDH) [**6 Pack Slime Kit Purple Dream Slime Kids Cloud Butter & Clear Slime Party Favors Toys for Girls Boys Ages 5 6 7 8 9 10 11 12 Goodie Bag Stuffers Birthday Gift Ideas Cute Stuff**Rowecvce**£11.68**162 rev1y ago](https://www.amazon.co.uk/dp/B0F7QTYTRJ) [**6 Pack Slimes Kit Pink Slime Kids Cloud Butter & Clear Slime Party Favors Toys for Girls Boys Ages 8-12 Goodie Bag Stuffers 9-10 Year Old Girls Birthday Gift Ideas Cute Stuff**Rowecvce**£11.72**162 rev1y ago](https://www.amazon.co.uk/dp/B0F7QTYM65)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Gui Gui Gloss Slime - Beautify & Level Up Your Slime With a Major GLOW-UP - 13 Different Gui Gui Scented Slimes and 4 Amazing Textures to Collect - Gifts for 6+ Year Girls Boys & Teens**Gui Gui**£8.77**4.0★**▲ 211%**](https://www.amazon.co.uk/dp/B0FDB2DFDH) [**Elmers Colour Changing Slime Kit | Slime Supplies Include Colour Changing Glue & Magical Liquid Slime Activator | Activates with UV Light | Washable & Kid Friendly | 4 Count**Elmer's**£12.18**4.4★**▲ 146%**](https://www.amazon.co.uk/dp/B084LCKZ8L) [**25 Packs Galaxy Slime Party Favor for Kids Girls & Boys Adults Non Sticky Stress & Anxiety Relief Wet Super Soft Sludge Toy**Bretohay**£7.73**4.5★**▲ 116%**](https://www.amazon.co.uk/dp/B0BBGC5J7T) [**iKidiki Slime Making Kit Toys for 6 7 8 9 10 11 12 Year Old Girls Boys Gifts Birthday Galaxy Slime Kits for Girls 6-12 Year Old Girl Boy Gifts Fluffy Slime Kids Birthday Presents Craft Kits for Kids**iKidiki**£15.82**4.2★**▲ 116%**](https://www.amazon.co.uk/dp/B0D8PRL2BR) [**9 Pack Jelly Cube Clear Fluffy Slime Making Kit Party Favor Crunchy Crystal Slime Charms for Girls and Boys DIY Birthday Boba Slime for Kids Bag Fillers Soft Non-Sticky Stress Relief Toys**Kaoerdce**£8.26**3.6★**▲ 111%**](https://www.amazon.co.uk/dp/B0CCL1VRCC)
**~~View all trending →~~**
## **What buyers say about slime**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**18%
*“Good fun”*
**Quality-Overall**17%
*“appears to be well made”*
**Value For Money**10%
*“Good value for money”*
**Gifting Purpose**7%
*“and very giftable”*
**Color**4%
*“Nice colours”*
**Smell**4%
*“Its smells heavenly”*
**Adhesion/Stickiness**3%
*“Not sticky and doesn't leave residue on your hands”*
**Soft Feel**3%
*“It is soft and stretchy, without being sticky”*
**Stretchability/Expandability/Elasticity**3%
*“very stretchy”*
**Ease Of Use**3%
*“Easy to use”*
### **What buyers complain about **
**Adhesion/Stickiness**18%
*“Sticky”*
**Size-Overall**16%
*“much larger size”*
**Value For Money**8%
*“not worth the cost”*
**Texture/Consistency-Overall**5%
*“Disappointed the texture broke down an hour later”*
**Quality-Overall**4%
*“Poor quality”*
**Smell**4%
*“It smells strange”*
**Moist/Dry**4%
*“Is only good for like a few days then it goes all dry”*
**Advertised Vs Actual Product**4%
*“Doesnt match the description”*
**Functionality-Overall**4%
*“This product goes bad very quickly”*
**Thickness**2%
*“its just thick paste”*
### **Top return reasons **
**Size-Overall**18%
**Adhesion/Stickiness**14%
**Advertised Vs Actual Product**9%
**Functionality-Overall**8%
**Moist/Dry**6%
**Leak-Proof**6%
**Quality-Overall**5%
**Smell**4%
**Value For Money**4%
**Hard Feel**3%
## **Common questions**
- **Is slime profitable to sell on Amazon United Kingdom?**
- The niche generates £776K/yr across 72 tracked products. 1 of 9 products launched in the last 360 days are still selling. 90-day search growth is -15.9%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the slime niche?**
- 29 brands and 65 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 50% of demand.
- **What do buyers complain about in slime?**
- Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Value For Money. The return rate is 0.4%.
- **When does demand for slime peak?**
- Demand peaks in Dec; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the slime niche?**
- Listings span £2.95–£22.36; the average listing price is £10.33 (sweet spot $15–$100). The average incumbent carries 695 reviews — the moat a new listing must climb.
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