---
title: "Sonic Costume — $129K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/sonic-costume"
last_updated: "2026-08-10T03:22:24.237Z"
locale: en
meta:
description: "Niche score 34/100 · $129K/yr market · 1.0M searches/yr · $30.94 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $129K/yr market · 1.0M searches/yr · $30.94 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sonic Costume — $129K/yr Amazon US Niche (2026) - Flapen"
---
# **sonic costume**
**Skip it**
Weak search conversion (0.4%) — this niche doesn't clear our bar today.
Market size 29Growth 36Conversion 5Competition 39Returns 20Price range 86Avg price 95Brand share 13Review moat 61Quality gap 21
**Avg price**
**Incredible****$30.94**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.36–$75.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,042.77**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+9.0%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$129K**
$129K/yr · 1.0M searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Returns**
**Bad****6.3%**
return rate — above 5% kills the launch gate
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, sonic costume is a $129K/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 34/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sonic costume market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$186K–$248K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#2,517**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **55%**
- **Out of stock**
- **13.4%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **143 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▼falling
**Sellers**
**45**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 97%
**Open market**
**3%**
- Komar Kids59% - SEGA21% - Rubies8% - Akatcloud3% - Disguise3% - Spirit Halloween2% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.0% search growth over the last 90 days.
175K125KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 28.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/sonic-costume/trend)
## **Top sonic costume search terms**
- **sonic costume**424K/yr+11.7%0.3% conv. - **sonic costume for boys 4-6**164K/yr-1.8%0.5% conv. - **sonic the hedgehog costume**74K/yr+29.9%0.1% conv. - **sonic costume kids**98K/yr+35.8%0.3% conv. - **disfraz de sonic para nio**16K/yr+44.5%0.2% conv. - **sonic costumes**19K/yr+16.2%0.1% conv. - **sonic halloween costume kids**30K/yr+186.5%0.1% conv. - **disfraz de sonic**16K/yr+2.6%0.0% conv. - **sonic costume for boys 7-8**22K/yr-18.9%1.0% conv. - **traje de sonic**6K/yr+4.5%0.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/sonic-costume/search-terms)
## **Top sonic 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%10%$13K20%$26K30%$39K40%$51K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sonic The Hedgehog Kids Onesie Pajamas - Boys Long Sleeve Zip Up Hooded Blanket Sleep - One Piece Costume - Official License Blue**Komar Kids**$31.94**4.8★626 rev](https://www.amazon.com/dp/B0CJCMGGPW) [2**Sonic The Hedgehog Kids Onesie Pajamas - Boys Long Sleeve Zip Up Hooded Blanket Sleep - One Piece Costume - Official License Blue**Komar Kids**$32.30**4.8★626 rev](https://www.amazon.com/dp/B0CJCJRQZN) [3**Sonic The Hedgehog Kids Onesie Pajamas - Boys Long Sleeve Zip Up Hooded Blanket Sleep - One Piece Costume - Official License Blue**Komar Kids**$33.22**4.8★626 rev](https://www.amazon.com/dp/B0CJCNRJY3) [4**SEGA Sonic The Hedgehog Little Boys Cosplay T-Shirt and Mesh Shorts Outfit Set Blue/Multicolor 6**SEGA**$24.93**4.7★489 rev](https://www.amazon.com/dp/B0BTQ35CY2) [5**SEGA unisex child Sonic the Hedgehog Costume Hoodie Hooded Sweatshirt Royal 4 US**SEGA**$22.60**4.8★6,468 rev](https://www.amazon.com/dp/B07D1PF3R1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Spirit Halloween Sonic the Hedgehog Kids Mascot Costume Officially Licensed Boys Halloween Outfit Boys Size CHILD MEDIUM Standard Multicolor**Spirit Halloween**$75.82**1 rev5mo ago](https://www.amazon.com/dp/B0GMX4X7NP) [**Sonic The Hedgehog Kids Onesie Pajamas - Boys Long Sleeve Zip Up Hooded Blanket Sleep - One Piece Costume - Official License**Komar Kids**$25.64**132 rev10mo ago](https://www.amazon.com/dp/B0FQF9S7LQ) [**Sonic The Hedgehog Kids Onesie Pajamas - Boys Long Sleeve Zip Up Hooded Blanket Sleep - One Piece Costume - Official License**Komar Kids**$26.39**132 rev10mo ago](https://www.amazon.com/dp/B0FQFLZNPZ) [**Sonic The Hedgehog Kids Onesie Pajamas - Boys Long Sleeve Zip Up Hooded Blanket Sleep - One Piece Costume - Official License**Komar Kids**$24.87**132 rev10mo ago](https://www.amazon.com/dp/B0FQFJCRHB) [**SEGA Sonic the Hedgehog Boys Tank Top Shirt and Mesh Short Set for Big Kids**SEGA**$21.50**105 rev1y ago](https://www.amazon.com/dp/B0DT7F65FQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Boys Sonic The Hedgehog Basketball Jersey Shirt and Shorts Clothing Set- Little and Big Boys Sizes 4-20 Navy**SEGA**$35.40**4.8★**▲ 237%**](https://www.amazon.com/dp/B0D5MN172L) [**Shoes for Boys Girls Kids Children Red Sneakers Tennis Birthday Party Gift**Akatcloud**$44.41**4.7★**▲ 229%**](https://www.amazon.com/dp/B0BS6P38PJ) [**SEGA Sonic the Hedgehog Boys Tank Top Shirt and Mesh Short Set for Big Kids**SEGA**$21.50**4.8★**▲ 210%**](https://www.amazon.com/dp/B0DT7F65FQ) [**Super Mario Pokmon & Sonic Fleece Kids Hooded Robe - Super Soft Plush Bathrobe for Boys with Pockets - Official Product**Komar Kids**$27.77**4.8★**▲ 203%**](https://www.amazon.com/dp/B0CQ68LF32) [**Spirit Halloween Sonic the Hedgehog Kids Mascot Costume Officially Licensed Boys Halloween Outfit Boys Size CHILD MEDIUM Standard Multicolor**Spirit Halloween**$75.82**5.0★**▲ 195%**](https://www.amazon.com/dp/B0GMX4X7NP)
**~~View all trending →~~**
## **What buyers say about sonic costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“Fits great”*
**Comfort-Overall**23%
*“comfortable”*
**Quality-Overall**11%
*“Good quality”*
**Value For Money**6%
*“Great price point for the smile on his face”*
**Soft Feel**6%
*“Its nice and soft and fits him perfectly”*
**Gifting Purpose**5%
*“Great Gift”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Warmth**4%
*“Fabric is soft and durable, with just enough warmth on cool evenings”*
**Zipper Quality**3%
*“zipper works great”*
**Machine Wash Suitability**3%
*“easy to wash”*
### **What buyers complain about **
**Strap/String Quality**31%
*“string kept popping”*
**Quality-Overall**19%
*“Cheap”*
**Size-Overall**13%
*“Runs small”*
**Durability**6%
*“Breaks”*
**Value For Money**6%
*“Cheap”*
**Comfort-Overall**4%
*“I was honestly worried it would look weird and feel uncomfortable”*
**Machine Wash Suitability**2%
*“2 washes on hot. he gets dirty”*
### **Top return reasons **
**Size-Overall**64%
**Length**10%
**Material Quality**4%
**Advertised Vs Actual Product**4%
**Feet Fit**4%
**Product Condition**2%
**Sleeve Fit**2%
**Value For Money**2%
**Quality-Overall**1%
**Thigh Fit**1%
## **Common questions**
- **Is sonic costume profitable to sell on Amazon United States?**
- The niche generates $129K/yr across 22 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +9.0%. Flapen's verdict: Skip it (34/100).
- **How competitive is the sonic costume niche?**
- 8 brands and 45 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in sonic costume?**
- Top complaints mined from reviews: Strap/String Quality, Quality-Overall, Size-Overall. The return rate is 6.3% — above our launch gate.
- **When does demand for sonic costume peak?**
- Demand peaks in Sep–Oct; the busiest month runs 28.6× the quietest.
- **What does it cost to enter the sonic costume niche?**
- Listings span $7.36–$75.82; the average listing price is $30.94 (sweet spot $15–$100). The average incumbent carries 1,043 reviews — the moat a new listing must climb.
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