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66

ninja swirl tubs

Worth a look

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 14Growth 89Conversion 87Competition 59Returns 97Price range 88Avg price 91Brand share 79Review moat 94Quality gap 14

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Review moat

Great119.58

avg incumbent reviews — the moat a new listing must climb

Avg price

Great£21.50

avg listing price — sweet spot $15–$100

Growth

Great+96.0%

90-day search growth — must beat 0% to launch

Price range

Great£13.63–£29.68

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Great9.9%

search→purchase rate — share of searches ending in a sale

Brand share

Great56%

top-5 brand share — no brand owns this niche

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Market size

Bad£56K

£56K/yr · 26K searches

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United Kingdom niche tracking, ninja swirl tubs is a £56K/yr Amazon United Kingdom market (26K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 66/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

ninja swirl tubs market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
£32K–£43K
units × avg price
Conversion rate
9.9%
Avg BSR
#435
Page quality
0%
Prime
96%
Sponsored
92%
Out of stock
12.6%
Avg brand age
11 months
Avg seller age
200 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

25

Top-5 brand share

56%

Top 20: 99%

Top-5 click share

50%

Top 20: 95%

Open market

38%

  • Skyearman22%
  • LPQKCcY13%
  • Kssvzz7%
  • Hejo7%
  • Gillterway6%
  • GFTIME6%

Demand

Weekly Amazon search volume, last 29 weeks — +96.0% search growth over the last 90 days.
1K750Spike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Top ninja swirl tubs 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%10%£6K20%£11K30%£17K40%£22K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about ninja swirl tubs

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

What buyers love

Size-Overall21%

“Fantastic fit”

Quality-Overall20%

“The quality of these tubs is impressive”

Advertised Vs Actual Product16%

“Just like the ninja contains great product”

Value For Money13%

“Excellent price”

Efficiency5%

“work really well”

Ease Of Cleaning3%

“ease of cleaning was exactly the same as the originals”

Ease Of Use3%

“Theyre easy to use”

Leak-Proof3%

“seals properly when closed”

Strength2%

“They feel just as sturdy”

Compatibility-Overall2%

“They're identical and completely compatible”

What buyers complain about

Value For Money38%

“way cheaper”

Quality-Overall25%

“Cheap quality and it's come off quickly”

Color8%

“The only difference is that these have different colour lids instead of only grey”

Size-Overall8%

“they are so tight going in”

Top return reasons

Size-Overall30%
Compatibility-Overall23%
Functionality-Overall9%
Quality-Overall6%
Jamming/Clogging4%
Durability4%
Value For Money3%
Defective Material/Parts3%
Safety Standards3%
Ease Of Use3%

Common questions

Is ninja swirl tubs profitable to sell on Amazon United Kingdom?
The niche generates £56K/yr across 24 tracked products. 2 of 18 products launched in the last 360 days are still selling. 90-day search growth is +96.0%. Flapen's verdict: Worth a look (66/100).
How competitive is the ninja swirl tubs niche?
21 brands and 25 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in ninja swirl tubs?
Top complaints mined from reviews: Value For Money, Quality-Overall, Color. The return rate is 0.5%.
What does it cost to enter the ninja swirl tubs niche?
Listings span £13.63–£29.68; the average listing price is £21.50 (sweet spot $15–$100). The average incumbent carries 120 reviews — the moat a new listing must climb.