---
title: "Thing 1 and Thing 2 Costume — £33K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/thing-1-and-thing-2-costume"
last_updated: "2026-07-31T19:37:37.562Z"
locale: en
meta:
description: "Niche score 42/100 · £33K/yr market · 251K searches/yr · £11.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £33K/yr market · 251K searches/yr · £11.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Thing 1 and Thing 2 Costume — £33K/yr Amazon UK Niche (2026) - Flapen"
---
# **thing 1 and thing 2 costume**
**Skip it**
Soft demand (-96.3% this quarter) — this niche doesn't clear our bar today.
Market size 8Growth 0Conversion 15Competition 80Returns 60Price range 28Avg price 42Brand share 57Review moat 98Quality gap 70
**Review moat**
**Incredible****49.5**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.6%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****71%**
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**
**Bad****1.2%**
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**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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**
**40**
**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.
60K40KSpike '25Prime Day '25Spike '26Prime Day '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb, Mar, Oct · busiest ÷ quietest = 53.6×
[**Open Trend **](https://flapen.com/research/uk/fashion/thing-1-and-thing-2-costume/trend)
## **Top thing 1 and thing 2 costume search terms**
- **thing 1 and thing 2 costume**128K/yr-96.9%1.0% conv. - **thing 1 and thing 2 t shirt**11K/yr-88.3%0.2% conv. - **thing 1 and thing 2 costume adults**27K/yr-95.7%0.7% conv. - **thing 1 and thing 2**10K/yr-88.8%0.6% conv. - **thing one and thing two costumes**15K/yr-94.1%0.4% conv. - **thing 1**7K/yr-94.3%0.8% conv. - **thing 1 and thing 2 costume kids**26K/yr-99.2%0.6% conv. - **thing 1 costume**11K/yr-98.3%0.7% conv. - **thing 2 costume**9K/yr-98.3%0.0% conv. - **thing 2**4K/yr-96.1%1.8% conv. [**All search terms **](https://flapen.com/research/uk/fashion/thing-1-and-thing-2-costume/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.
0%2%£6614%£1K6%£2K8%£3K1101001K 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**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**£11.06**3.9★58 rev](https://www.amazon.co.uk/dp/B09QSYPM9L) [2**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**£10.53**4.7★16 rev](https://www.amazon.co.uk/dp/B0C53T2CPY) [3**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**£10.62**4.7★16 rev](https://www.amazon.co.uk/dp/B0C53TDY9Q) [4**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**£15.47**4.5★121 rev](https://www.amazon.co.uk/dp/B07NYZDW5Y) [5**Thing One 1 and Thing Two 2 T-Shirt Crimbo Matching Funny Costume Cat Twins Top**Generic**£5.95**4.3★31 rev](https://www.amazon.co.uk/dp/B0DYC91866)
**~~View all top sellers →~~**
### **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**£14.70**34 rev6mo ago](https://www.amazon.co.uk/dp/B0G3V8HXY2) [**Kavoc 4Pcs World Book Day Blue Tutu Costume with Headband Bow Tie Glitter Tutu Skirt Gloves Knee-High Socks**Kavoc**£12.04**3 rev6mo ago](https://www.amazon.co.uk/dp/B0GD5PW33X) [**Kavoc 2 Set World Book Day Thing Costumes Include Tutu Skirts Ponytail Headbands Bowties and Knee Socks**Kavoc**£19.24**4 rev7mo ago](https://www.amazon.co.uk/dp/B0GCJDF3NH) [**iZoeL Thing Costume Jumpsuit Thing Wig**iZoeL**£15.88**4 rev7mo ago](https://www.amazon.co.uk/dp/B0G4M4P1LM) [**BESTITALIANUK Thing One 1 and Thing Two 2 T-Shirt Couples Matching Funny Costume Cat Twins Top**BESTITALIANUK**£7.45**16 rev9mo ago](https://www.amazon.co.uk/dp/B0FVPQWS78)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Willow Gifts - Thing 1 Thing 2 Babygrow Romper Novelty World Book Day Library Cartoon Human-Like Twins One Two Cute Mischief Reckless Cheeky Naughty Box Gifts Presents (Red 3-6 Months)**Willow Gifts**£10.40**4.0★**▲ 1000%**](https://www.amazon.co.uk/dp/B0BS9R333P) [**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**£10.62**4.7★**▲ 1000%**](https://www.amazon.co.uk/dp/B0C53TDY9Q) [**RAV3 Dr Seuss Cat in The Hat Tshirts Thing 1Thing 2 Tshirt Crimbo Adults & Kids New**RAV3**£7.20**4.2★**▲ 508%**](https://www.amazon.co.uk/dp/B07DBZK3HC) [**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**£11.06**3.9★**▲ 359%**](https://www.amazon.co.uk/dp/B09QSYPM9L) [**Thing One 1 and Thing Two 2 T-Shirt Crimbo Matching Funny Costume Cat Twins Top**Generic**£5.96**4.3★**▲ 349%**](https://www.amazon.co.uk/dp/B0DYC6SM17)
**~~View all trending →~~**
## **What buyers say about thing 1 and thing 2 costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**32%
*“Good quality-price ratio”*
**Size-Overall**21%
*“The sizing is accurate to the chart”*
**Fun/Entertainment Experience**18%
*“This Thing costume is great fun”*
**Advertised Vs Actual Product**6%
*“true to picture”*
**Durability**5%
*“durable enough to use multiple times”*
**Color**4%
*“brightly coloured throughout”*
**Material Quality**3%
*“The material is better quality than expected”*
**Soft Feel**3%
*“so is soft on the skin”*
**Ease Of Use**2%
*“Simple and easy costume idea”*
**Comfort-Overall**2%
*“fairly comfortable to wear all day”*
### **What buyers complain about **
**Size-Overall**28%
*“The skirts are very short”*
**Advertised Vs Actual Product**20%
*“not even half as full ad the picture shows”*
**Quality-Overall**14%
*“Costume wasn't cheap so would have expected better quality”*
**Stitch/Finish/Polish**10%
*“As you can see from image the stitching was knotted and could be seen”*
**Value For Money**8%
*“And its not worth ur money”*
**Comfort-Overall**4%
*“uncomfortable for my daughter”*
**Durability**4%
*“It started to rip on the day its very low quality”*
### **Top return reasons **
**Size-Overall**83%
**Print Quality**5%
**Quality-Overall**5%
**Advertised Vs Actual Product**2%
**Durability**2%
**Value For Money**1%
**Design-Overall**1%
**Color**1%
**Length**1%
**Product Condition**0%
## **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.
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