Is thing 1 and thing 2 costume profitable to sell on Amazon United Kingdom?

The niche generates £33K/yr across 50 tracked products. 0 of 17 products launched in the last 360 days are still selling. 90-day search growth is -96.3%. Flapen's verdict: Skip it (42/100).

How competitive is the thing 1 and thing 2 costume niche?

20 brands and 40 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 71% of demand.

What do buyers complain about in thing 1 and thing 2 costume?

Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 2.6%.

When does demand for thing 1 and thing 2 costume peak?

Demand peaks in Feb–Mar–Oct; the busiest month runs 53.6× the quietest.

What does it cost to enter the thing 1 and thing 2 costume niche?

Listings span £4.16–£19.24; the average listing price is £11.08 (sweet spot $15–$100). The average incumbent carries 50 reviews — the moat a new listing must climb.

thing 1 and thing 2 costume

Skip it

Soft demand (-96.3% this quarter) — this niche doesn't clear our bar today.

Review moat

Incredible49.5

avg incumbent reviews — the moat a new listing must climb

Competition

Great35%

top-5 click share — an open shelf

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.6%

return rate — above 5% kills the launch gate

Brand share

Good71%

top-5 brand share — brands hold most of the demand

Avg price

Okay£11.08

avg listing price — sweet spot $15–$100

Price range

Okay£4.16–£19.24

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

Conversion

Bad1.2%

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

Market size

Bad£33K

£33K/yr · 251K searches

Growth

Bad-96.3%

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

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, thing 1 and thing 2 costume is a £33K/yr Amazon United Kingdom market (251K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Feb–Mar–Oct. Verdict: Skip it — 42/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

thing 1 and thing 2 costume market data

Units sold / yr: 3K–3K; avg 0–100/product
Revenue / yr: £28K–£33K; units × avg price
Conversion rate: 1.2%
Avg BSR: #4,339
Page quality: 0%
Prime: 52%
Sponsored: 46%
Out of stock: 24.7%
Avg brand age: 40 months
Avg seller age: 195 days

Competition & brand share

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

Brands

20 rising

Sellers

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

35%

Top 20: 76%

Open market

21%

STREETWISE CLOTHING QUALITY CASUAL WEAR24%
Generic14%
Willow Gifts13%
Kavoc10%
BESTITALIANUK10%
Floordrobe Clothing9%

Demand & seasonality

Weekly Amazon search volume, last 72 weeks — -96.3% search growth over the last 90 days.

Peak months: Feb, Mar, Oct · busiest ÷ quietest = 53.6×

Open Trend

Top thing 1 and thing 2 costume search terms

thing 1 and thing 2 costume128K/yr -96.9%1.0% conv.
thing 1 and thing 2 t shirt11K/yr -88.3%0.2% conv.
thing 1 and thing 2 costume adults27K/yr -95.7%0.7% conv.
thing 1 and thing 210K/yr -88.8%0.6% conv.
thing one and thing two costumes15K/yr -94.1%0.4% conv.
thing 17K/yr -94.3%0.8% conv.
thing 1 and thing 2 costume kids26K/yr -99.2%0.6% conv.
thing 1 costume11K/yr -98.3%0.7% conv.
thing 2 costume9K/yr -98.3%0.0% conv.
thing 24K/yr -96.1%1.8% conv.

All search terms

Top thing 1 and thing 2 costume 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

Willow Gifts Thing 1 Thing 2 T-Shirt Top Tee - Novelty World Book Day Library Cartoon Human-Like Twins One Two Mischief Reckless Cheeky Naughty Box Adult Kids Gift Present (Thing One 9-11 Years)

Willow Gifts£11.063.9★58 rev

Dr Seuss Cat in The Hat T Shirt Thing 1 Thing 2 Kids Boys Girls T Shirt Crimbo Adults Tee Top Thing 1

STREETWISE CLOTHING QUALITY CASUAL WEAR£10.534.7★16 rev

Dr Seuss Cat in The Hat T Shirt Thing 1 Thing 2 Kids Boys Girls T Shirt Crimbo Adults Tee Top Thing 1

STREETWISE CLOTHING QUALITY CASUAL WEAR£10.624.7★16 rev

Floordrobe Clothing Dr Seuss Cat in The Hat Thing 1 2 3 4 T-Shirt Kids and Adults (7-8 Years Thing 1)

Floordrobe Clothing£15.474.5★121 rev

Thing One 1 and Thing Two 2 T-Shirt Crimbo Matching Funny Costume Cat Twins Top

Generic£5.954.3★31 rev

Newest

by launch date

RMMD Thing 1 and Thing 2 Costume World Book Day Costumes for Boys Girls Thing One and Thing Two Costume for Kids with Blue Wig Thing Jumpsuit 1 and 2 Badges

RMMD£14.7034 rev

6mo ago

Kavoc 4Pcs World Book Day Blue Tutu Costume with Headband Bow Tie Glitter Tutu Skirt Gloves Knee-High Socks

Kavoc£12.043 rev

6mo ago

Kavoc 2 Set World Book Day Thing Costumes Include Tutu Skirts Ponytail Headbands Bowties and Knee Socks

Kavoc£19.244 rev

7mo ago

iZoeL Thing Costume Jumpsuit Thing Wig

iZoeL£15.884 rev

7mo ago

BESTITALIANUK Thing One 1 and Thing Two 2 T-Shirt Couples Matching Funny Costume Cat Twins Top

BESTITALIANUK£7.4516 rev

9mo ago

What buyers say about thing 1 and thing 2 costume

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

What buyers love

Quality-Overall32%

“Good quality-price ratio”

Size-Overall21%

“The sizing is accurate to the chart”

Fun/Entertainment Experience18%

“This Thing costume is great fun”

Advertised Vs Actual Product6%

“true to picture”

Durability5%

“durable enough to use multiple times”

Color4%

“brightly coloured throughout”

Material Quality3%

“The material is better quality than expected”

Soft Feel3%

“so is soft on the skin”

Ease Of Use2%

“Simple and easy costume idea”

Comfort-Overall2%

“fairly comfortable to wear all day”

What buyers complain about

Size-Overall28%

“The skirts are very short”

Advertised Vs Actual Product20%

“not even half as full ad the picture shows”

Quality-Overall14%

“Costume wasn't cheap so would have expected better quality”

Stitch/Finish/Polish10%

“As you can see from image the stitching was knotted and could be seen”

Value For Money8%

“And its not worth ur money”

Comfort-Overall4%

“uncomfortable for my daughter”

Durability4%

“It started to rip on the day its very low quality”

Top return reasons

Size-Overall83%

Print Quality5%

Quality-Overall5%

Advertised Vs Actual Product2%

Durability2%

Value For Money1%

Design-Overall1%

Color1%

Length1%

Product Condition0%

Common questions

Is thing 1 and thing 2 costume profitable to sell on Amazon United Kingdom?: The niche generates £33K/yr across 50 tracked products. 0 of 17 products launched in the last 360 days are still selling. 90-day search growth is -96.3%. Flapen's verdict: Skip it (42/100).
How competitive is the thing 1 and thing 2 costume niche?: 20 brands and 40 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in thing 1 and thing 2 costume?: Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 2.6%.
When does demand for thing 1 and thing 2 costume peak?: Demand peaks in Feb–Mar–Oct; the busiest month runs 53.6× the quietest.
What does it cost to enter the thing 1 and thing 2 costume niche?: Listings span £4.16–£19.24; the average listing price is £11.08 (sweet spot $15–$100). The average incumbent carries 50 reviews — the moat a new listing must climb.