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.

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.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Competition

Great23%

top-5 click share — an open shelf

Brand share

Great50%

top-5 brand share — no brand owns this niche

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Good£776K

£776K/yr · 2.9M searches

Review moat

Good695.36

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

Okay2.6%

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

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

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

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.

Peak months: Dec · busiest ÷ quietest = 2.3×

Open Trend

Top slime search terms

slime1.7M/yr -16.1%1.6% conv.
slime kit495K/yr -8.4%2.7% conv.
butter slime150K/yr -12.2%2.3% conv.
cloud slime103K/yr -20.1%1.9% conv.
slim46K/yr -0.7%0.3% conv.
fluffy slime46K/yr -25.9%1.9% conv.
slime set51K/yr -12.5%1.6% conv.
slime kits for girls66K/yr -23.2%3.1% conv.
slime kits28K/yr -29.6%1.7% conv.
slime cheap23K/yr -36.8%0.4% conv.

All 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.

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

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£3.474.3★2,256 rev

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£7.904.2★103 rev

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£8.774.0★324 rev

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£15.824.2★214 rev

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£8.154.4★63 rev

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£8.01237 rev

10mo ago

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£7.90103 rev

11mo ago

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£8.77324 rev

1y ago

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£11.68162 rev

1y ago

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£11.72162 rev

1y ago

What buyers say about slime

What buyers praise and complain about, mined from review topics.

What buyers love

Fun/Entertainment Experience18%

“Good fun”

Quality-Overall17%

“appears to be well made”

Value For Money10%

“Good value for money”

Gifting Purpose7%

“and very giftable”

Color4%

“Nice colours”

Smell4%

“Its smells heavenly”

Adhesion/Stickiness3%

“Not sticky and doesn't leave residue on your hands”

Soft Feel3%

“It is soft and stretchy, without being sticky”

Stretchability/Expandability/Elasticity3%

“very stretchy”

Ease Of Use3%

“Easy to use”

What buyers complain about

Adhesion/Stickiness18%

“Sticky”

Size-Overall16%

“much larger size”

Value For Money8%

“not worth the cost”

Texture/Consistency-Overall5%

“Disappointed the texture broke down an hour later”

Quality-Overall4%

“Poor quality”

Smell4%

“It smells strange”

Moist/Dry4%

“Is only good for like a few days then it goes all dry”

Advertised Vs Actual Product4%

“Doesnt match the description”

Functionality-Overall4%

“This product goes bad very quickly”

Thickness2%

“its just thick paste”

Top return reasons

Size-Overall18%

Adhesion/Stickiness14%

Advertised Vs Actual Product9%

Functionality-Overall8%

Moist/Dry6%

Leak-Proof6%

Quality-Overall5%

Smell4%

Value For Money4%

Hard Feel3%

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.

slime

slime market data

Competition & brand share

Demand & seasonality

Top slime search terms

Top slime products on Amazon

Top sellers

Newest

Trending

What buyers say about slime

What buyers love

What buyers complain about

Top return reasons

Common questions

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