---
title: "Joker Costume for Kids — £0/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/joker-costume-for-kids"
last_updated: "2026-07-31T17:21:51.342Z"
locale: en
meta:
description: "Niche score 28/100 · £0/yr market · 68K searches/yr · £22.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 28/100 · £0/yr market · 68K searches/yr · £22.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Joker Costume for Kids — £0/yr Amazon UK Niche (2026) - Flapen"
---
# **joker costume for kids**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 0Conversion 0Competition 29Returns 34Price range 83Avg price 93Brand share 0Review moat 70Quality gap 82
**Avg price**
**Great****£22.31**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£11.31–£36.65**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****707.46**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£0**
£0/yr · 68K searches
**Growth**
**Bad****-84.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, joker costume for kids is a £0/yr Amazon United Kingdom market (68K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Sep–Oct–Nov. Verdict: Skip it — 28/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **joker costume for kids market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **£11K–£17K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#6,355**
- **Page quality**
- **0%**
- **Prime**
- **85%**
- **Sponsored**
- **38%**
- **Out of stock**
- **24.2%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **206 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**5 **—flat
**Sellers**
**31**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**0%**
- Rubies56% - SINSEN19% - amscan17% - Dacnod5% - Funidelia3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 86 weeks — -84.8% search growth over the last 90 days.
13K8KSpike '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Mar, Sep, Oct, Nov · busiest ÷ quietest = 88.9×
[**Open Trend **](https://flapen.com/research/uk/fashion/joker-costume-for-kids/trend)
## **Top joker costume for kids search terms**
- **joker costume kids**7K/yr-37.4%1.0% conv. - **joker costume for kids**43K/yr-92.7%0.0% conv. - **kids joker costume**10K/yr-78.3%0.6% conv. - **boys joker costume**3K/yr-82.0%0.0% conv. - **the joker costume kids**5K/yr-91.7%1.7% conv. [**All search terms **](https://flapen.com/research/uk/fashion/joker-costume-for-kids/search-terms)
## **Top joker costume for kids 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%£020%£030%£040%£01101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Rubies Official Deluxe Joker Children Costume - Small Halloween**Rubies**£22.13**4.2★3,575 rev](https://www.amazon.co.uk/dp/B001F1VJMQ) [2**SINSEN Knight Costume for Kids7 PCS Knight Costume Halloween Outfit Boys Girls Clown Cosplay Suit Coat Pant Shirt Vest Gloves Tie Fancy Dress for Toddler Party Festival Masquerade (140cm/8-9 Years)**SINSEN**£29.77**3.0★2 rev](https://www.amazon.co.uk/dp/B0F5Q3ZY5L) [3**amscan 9907610 Childs Boys Officially Licensed Warner Bros DC Comics Joker Fancy Dress Costume Ages 8-10 Years**amscan**£17.04**4.4★87 rev](https://www.amazon.co.uk/dp/B08BG2BZ1W) [4**Rubies Official Deluxe Joker Child Costume - Medium Purple Halloween**Rubies**£23.49**4.2★3,575 rev](https://www.amazon.co.uk/dp/B001ER6PUC) [5**amscan 9907609 Childs Boys Officially Licensed Warner Bros DC Comics Joker Fancy Dress Costume Ages 6-8 Years**amscan**£17.84**4.4★106 rev](https://www.amazon.co.uk/dp/B08BG2X4ZC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dacnod Clown Costume for Kids 7Pcs Clown Cosplsy Outifits Purple Shirt Vest Tie Coat Pants Chain Gloves Halloween Party Cosplay Accessories**Dacnod**£36.65**2 rev6mo ago](https://www.amazon.co.uk/dp/B0GHY78JB8) [**Rubies Official WB Joker Costume Kids Fancy Dress Size Age 9-10 Years Halloween**Rubies**£11.31**10 rev1y ago](https://www.amazon.co.uk/dp/B0FG6NDH54) [**Rubies Official WB Joker Costume Kids Fancy Dress Size Age 7-8 Years Halloween**Rubies**£19.73**10 rev1y ago](https://www.amazon.co.uk/dp/B0FG6JMLDT) [**SINSEN Knight Costume for Kids7 PCS Knight Costume Halloween Outfit Boys Girls Clown Cosplay Suit Coat Pant Shirt Vest Gloves Tie Fancy Dress for Toddler Party Festival Masquerade (140cm/8-9 Years)**SINSEN**£29.77**2 rev1y ago](https://www.amazon.co.uk/dp/B0F5Q3ZY5L) [**SINSEN Knight Costume for Kids7 PCS Knight Costume Halloween Outfit Boys Girls Clown Cosplay Suit Coat Pant Shirt Vest Gloves Tie Fancy Dress for Toddler Party Festival Masquerade (110cm/4-5 Years)**SINSEN**£32.09**2 rev1y ago](https://www.amazon.co.uk/dp/B0F5Q38PM4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dacnod Clown Costume for Kids 7Pcs Clown Cosplsy Outifits Purple Shirt Vest Tie Coat Pants Chain Gloves Halloween Party Cosplay Accessories**Dacnod**£36.65**5.0★**▲ 1000%**](https://www.amazon.co.uk/dp/B0GHY78JB8) [**Rubies Official WB Joker Costume Kids Fancy Dress Size Age 9-10 Years Halloween**Rubies**£11.31**4.7★**▲ 1000%**](https://www.amazon.co.uk/dp/B0FG6NDH54) [**SINSEN Knight Costume for Kids7 PCS Knight Costume Halloween Outfit Boys Girls Clown Cosplay Suit Coat Pant Shirt Vest Gloves Tie Fancy Dress for Toddler Party Festival Masquerade (140cm/8-9 Years)**SINSEN**£29.77**3.0★**▲ 554%**](https://www.amazon.co.uk/dp/B0F5Q3ZY5L) [**Rubies Official WB Joker Costume Kids Fancy Dress Size Age 7-8 Years Halloween**Rubies**£19.73**4.7★**▲ 531%**](https://www.amazon.co.uk/dp/B0FG6JMLDT) [**amscan 9907609 Childs Boys Officially Licensed Warner Bros DC Comics Joker Fancy Dress Costume Ages 6-8 Years**amscan**£17.84**4.4★**▲ 383%**](https://www.amazon.co.uk/dp/B08BG2X4ZC)
**~~View all trending →~~**
## **What buyers say about joker costume for kids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**50%
*“Fits four year old well”*
**Quality-Overall**25%
*“Really good quality”*
**Ease Of Use**13%
*“Nice and easy to put on”*
### **What buyers complain about **
**Quality-Overall**40%
*“Not the best mask”*
**Size-Overall**15%
*“The cape was also ill-fitting”*
**Smell**13%
*“Mask came folded and deformed, smelly strongly of plastic”*
**Wrinkles**8%
*“the resulting crease completely ruined it”*
**Value For Money**6%
*“For the price paid I would not recommend”*
**Touch/Button Controls**6%
*“there was missing button from coat as 4 holes”*
### **Top return reasons **
**Size-Overall**72%
**Wrinkles**12%
**Strap/String Quality**3%
**Quality-Overall**3%
**Functionality-Overall**3%
**Smell**1%
**Material Quality**1%
**Touch/Button Controls**1%
**Advertised Vs Actual Product**1%
**Color**1%
## **Common questions**
- **Is joker costume for kids profitable to sell on Amazon United Kingdom?**
- The niche generates £0/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -84.8%. Flapen's verdict: Skip it (28/100).
- **How competitive is the joker costume for kids niche?**
- 5 brands and 31 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in joker costume for kids?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Smell. The return rate is 4.3%.
- **When does demand for joker costume for kids peak?**
- Demand peaks in Mar–Sep–Oct–Nov; the busiest month runs 88.9× the quietest.
- **What does it cost to enter the joker costume for kids niche?**
- Listings span £11.31–£36.65; the average listing price is £22.31 (sweet spot $15–$100). The average incumbent carries 707 reviews — the moat a new listing must climb.
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