---
title: "pennywise costume kids boys 8-10 — Niche Verdict: Skip it (33/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/pennywise-costume-kids-boys-8-10"
last_updated: "2026-07-14T04:38:33.048Z"
locale: en
meta:
  description: "a small market ($0/yr) — pennywise costume kids boys 8-10 doesn't clear our bar today."
  "og:description": "a small market ($0/yr) — pennywise costume kids boys 8-10 doesn't clear our bar today."
  "og:title": "pennywise costume kids boys 8-10 — Niche Verdict: Skip it (33/100) | Amazon United States - Flapen"
---

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# **pennywise costume kids boys 8-10**

**Skip it**

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 65Conversion 0Competition 16Returns 0Price range 94Avg price 95Brand share 26Review moat 83Quality gap 48

**Avg price**

**Incredible****$34.73**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.74–$50.83**

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

**Review moat**

**Great****336.46**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+43.7%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****90%**

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

**Competition**

**Bad****80%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$0**

$0/yr · 122K searches

**Conversion**

**Bad****0.0%**

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

**Returns**

**Bad****14.0%**

return rate — above 6% kills the launch gate

## **Competition**

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**9 **▲rising

**Sellers**

**24**

**Top-5 brand share**

**90%**

**Open market**

**6%**

- Fun World38% - Fun Costumes31% - Spooktacular Creations9% - Morph7% - Groydbna5% - Sinkawa Jackets4% - Open — no brand owns it (3 brands, 6%)

## **Product shelf**

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%$0101001K10K 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![Fun World Girls Carnevil Clown Child Costume Large](https://m.media-amazon.com/images/I/412N31TLEpL.jpg)**Fun World Girls Carnevil Clown Child Costume Large**Fun World**$35.74**4.5★1,702 rev](https://www.amazon.com/dp/B07TT84BK8) [2![Fun Costumes Girls Creepy Clown Costume - Scary Circus Clown Halloween Costume for Kids Vintage - Creepy Doll Cosplay - Large - Multicolor](https://m.media-amazon.com/images/I/41kHnlmlcEL.jpg)**Fun Costumes Girls Creepy Clown Costume - Scary Circus Clown Halloween Costume for Kids Vintage - Creepy Doll Cosplay - Large - Multicolor**Fun Costumes**$14.74**5.0★14 rev](https://www.amazon.com/dp/B0CBND9GM3) [3![Groydbna Halloween Girls Clown Tutu Dress Costume Cute Clown Cosplay Dress up for Kids 8-9Y](https://m.media-amazon.com/images/I/4156m5JglML.jpg)**Groydbna Halloween Girls Clown Tutu Dress Costume Cute Clown Cosplay Dress up for Kids 8-9Y**Groydbna**$30.85**4.4★11 rev](https://www.amazon.com/dp/B0D58GKJM3) [4![Sinkawa Jackets Sequin Bodysuit Swimsuit Sparkle Costume Tour Outfit Halloween Cosplay For Women Girls11-12](https://m.media-amazon.com/images/I/41hbuBY6WcL.jpg)**Sinkawa Jackets Sequin Bodysuit Swimsuit Sparkle Costume Tour Outfit Halloween Cosplay For Women Girls11-12**Sinkawa Jackets**$37.96**4.6★185 rev](https://www.amazon.com/dp/B0DB15YC3C) [5![Morph Scary Clown Costume For Kids Scary Clown Costume Girls Halloween Costumes Halloween Costumes For Kids M](https://m.media-amazon.com/images/I/4193r+hNxBL.jpg)**Morph Scary Clown Costume For Kids Scary Clown Costume Girls Halloween Costumes Halloween Costumes For Kids M**Morph**$36.69**4.5★438 rev](https://www.amazon.com/dp/B0BXF8W7TM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Dressy Daisy Nun Dress Halloween Costume Outfit Black Robe with White Collar and Headpiece for Little Kids Girls Size 6-8 M](https://m.media-amazon.com/images/I/31wHfI5pElL.jpg)**Dressy Daisy Nun Dress Halloween Costume Outfit Black Robe with White Collar and Headpiece for Little Kids Girls Size 6-8 M**Dressy Daisy**$25.86**10 rev1y ago](https://www.amazon.com/dp/B0DQBTHMGT) [![RWYBEIW Scary Halloween Clown Costume for Girls Tulle Tutu Dress Knife Socks Gloves Hairpin Sets for Halloween Party Cosplay (Black White 10-12 Years)](https://m.media-amazon.com/images/I/410P4rvN6EL.jpg)**RWYBEIW Scary Halloween Clown Costume for Girls Tulle Tutu Dress Knife Socks Gloves Hairpin Sets for Halloween Party Cosplay (Black White 10-12 Years)**RWYBEIW**$27.88**39 rev1y ago](https://www.amazon.com/dp/B0DHW8WLPT) [![PROMOTED TO BIG SISTER Kids Scary Clown Costume Girls Halloween Costume Movie Cosplay Dress (11-12 Years)](https://m.media-amazon.com/images/I/41aXXhmFCrL.jpg)**PROMOTED TO BIG SISTER Kids Scary Clown Costume Girls Halloween Costume Movie Cosplay Dress (11-12 Years)**PROMOTED TO BIG SISTER**$18.23**12 rev1y ago](https://www.amazon.com/dp/B0DDPL5L66) [![Sinkawa Jackets Sequin Bodysuit Swimsuit Sparkle Costume Tour Outfit Halloween Cosplay For Women Girls11-12](https://m.media-amazon.com/images/I/41hbuBY6WcL.jpg)**Sinkawa Jackets Sequin Bodysuit Swimsuit Sparkle Costume Tour Outfit Halloween Cosplay For Women Girls11-12**Sinkawa Jackets**$37.96**185 rev1y ago](https://www.amazon.com/dp/B0DB15YC3C) [![Groydbna Halloween Girls Clown Tutu Dress Costume Cute Clown Cosplay Dress up for Kids 8-9Y](https://m.media-amazon.com/images/I/4156m5JglML.jpg)**Groydbna Halloween Girls Clown Tutu Dress Costume Cute Clown Cosplay Dress up for Kids 8-9Y**Groydbna**$30.85**11 rev2y ago](https://www.amazon.com/dp/B0D58GKJM3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Groydbna Halloween Girls Clown Tutu Dress Costume Cute Clown Cosplay Dress up for Kids 8-9Y](https://m.media-amazon.com/images/I/4156m5JglML.jpg)**Groydbna Halloween Girls Clown Tutu Dress Costume Cute Clown Cosplay Dress up for Kids 8-9Y**Groydbna**$30.85**4.4★**▲ 1000%**](https://www.amazon.com/dp/B0D58GKJM3) [![Sinkawa Jackets Sequin Bodysuit Swimsuit Sparkle Costume Tour Outfit Halloween Cosplay For Women Girls11-12](https://m.media-amazon.com/images/I/41hbuBY6WcL.jpg)**Sinkawa Jackets Sequin Bodysuit Swimsuit Sparkle Costume Tour Outfit Halloween Cosplay For Women Girls11-12**Sinkawa Jackets**$37.96**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0DB15YC3C) [![Dressy Daisy Nun Dress Halloween Costume Outfit Black Robe with White Collar and Headpiece for Little Kids Girls Size 6-8 M](https://m.media-amazon.com/images/I/31wHfI5pElL.jpg)**Dressy Daisy Nun Dress Halloween Costume Outfit Black Robe with White Collar and Headpiece for Little Kids Girls Size 6-8 M**Dressy Daisy**$25.86**4.0★**▲ 1000%**](https://www.amazon.com/dp/B0DQBTHMGT) [![Fun Costumes Girls Creepy Clown Costume - Scary Circus Clown Halloween Costume for Kids Vintage - Creepy Doll Cosplay - Large - Multicolor](https://m.media-amazon.com/images/I/41kHnlmlcEL.jpg)**Fun Costumes Girls Creepy Clown Costume - Scary Circus Clown Halloween Costume for Kids Vintage - Creepy Doll Cosplay - Large - Multicolor**Fun Costumes**$14.74**5.0★**▲ 1000%**](https://www.amazon.com/dp/B0CBND9GM3) [![PROMOTED TO BIG SISTER Kids Scary Clown Costume Girls Halloween Costume Movie Cosplay Dress (11-12 Years)](https://m.media-amazon.com/images/I/41aXXhmFCrL.jpg)**PROMOTED TO BIG SISTER Kids Scary Clown Costume Girls Halloween Costume Movie Cosplay Dress (11-12 Years)**PROMOTED TO BIG SISTER**$18.23**4.5★**▲ 73%**](https://www.amazon.com/dp/B0DDPL5L66)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 103 weeks — +43.7% search growth over the last 90 days.

25K15KSpike '24Spike '25Spike '26 seasonSepDecJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 197.3×

## **Reviews**

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

### **What buyers love **

**Size-Overall**100%

*“And the perfect fit”*

### **What buyers complain about **

**Quality-Overall**50%

*“Quality could be much better”*

**Size-Overall**50%

*“It runs a little smaller than expected so I would size up to get a perfect fit”*

### **Top return reasons **

**Size-Overall**46%

**Advertised Vs Actual Product**31%

**Material Quality**8%

**Color**8%

**Product Condition**8%