---
title: "Baby Mario Costume — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/baby-mario-costume"
last_updated: "2026-08-09T13:46:48.156Z"
locale: en
meta:
description: "Niche score 45/100 · $31K/yr market · 147K searches/yr · $25.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $31K/yr market · 147K searches/yr · $25.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Baby Mario Costume — $31K/yr Amazon US Niche (2026) - Flapen"
---
# **baby mario costume**
**Skip it**
A small market ($31K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 60Conversion 10Competition 82Returns 9Price range 86Avg price 95Brand share 52Review moat 73Quality gap 28
**Avg price**
**Incredible****$25.80**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.01–$47.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Review moat**
**Good****595.25**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+36.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****9.4%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$31K**
$31K/yr · 147K searches
**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, baby mario costume is a $31K/yr Amazon United States market (147K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 45/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **baby mario costume market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$52K–$65K**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#804**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **68%**
- **Out of stock**
- **14.6%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.
**Brands**
**14 **▲rising
**Sellers**
**68**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**33%**
Top 20: 76%
**Open market**
**19%**
- Disguise32% - Super Mario13% - VINUOKER11% - Gakizon10% - Mavoka8% - IIMMER7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +36.0% search growth over the last 90 days.
20K15KSpike '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 60.9×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-mario-costume/trend)
## **Top baby mario costume search terms**
- **mario costume toddler**28K/yr+27.4%0.7% conv. - **toddler mario costume**20K/yr+46.9%0.7% conv. - **mario toddler costume**15K/yr+51.1%0.6% conv. - **baby mario costume**17K/yr+38.4%0.3% conv. - **mario costume 4t**6K/yr+77.2%1.8% conv. - **super mario costume toddler**5K/yr+27.5%0.7% conv. - **mario baby costume**10K/yr+10.0%0.2% conv. - **super mario toddler costume**5K/yr+62.6%0.0% conv. - **mario costume baby**7K/yr+42.2%0.0% conv. - **super mario baby costume**4K/yr+27.0%0.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-mario-costume/search-terms)
## **Top baby mario 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%3%$9246%$2K9%$3K12%$4K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)4 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Disguise Nintendo Super Mario Brothers Mario Boys Toddler Costume | Child Mario Costume with Hat Gloves & Mustache Small (2T)**Disguise**$27.37**4.6★1,614 rev](https://www.amazon.com/dp/B00JOVOAFC) [2**Super Mario Baby Pajamas Onesie - Zip-Up Sleeper Soft Sleep and Play Outfit - Sleepwear Newborn Baby Boys Pajamas**Super Mario**$19.78**5.0★3 rev](https://www.amazon.com/dp/B0GLTZXSF6) [3**IIMMER Unisex Baby Boys Girls Plumber Outfit Rompers Long Sleeve Onesie Cotton Overall Red 12M**IIMMER**$26.40**4.3★21 rev](https://www.amazon.com/dp/B0FK9KGFFD) [4**Disguise Nintendo Super Mario Costume Officially Licensed Super Mario Brothers Boys Costume Classic Child Size Extra Small (3T-4T)**Disguise**$26.74**4.6★7,924 rev](https://www.amazon.com/dp/B00JR4HBZM) [5**Super Mario Baby Pajamas Onesie - Zip-Up Sleeper Soft Sleep and Play Outfit - Sleepwear Newborn Baby Boys Pajamas**Super Mario**$20.97**5.0★3 rev](https://www.amazon.com/dp/B0GLSQLMQY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$23.92**0 rev2mo ago](https://www.amazon.com/dp/B0GVL1P2TY) [**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$24.06**0 rev3mo ago](https://www.amazon.com/dp/B0GVKNDYZW) [**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$28.94**0 rev3mo ago](https://www.amazon.com/dp/B0GVKNDBD2) [**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$23.02**0 rev3mo ago](https://www.amazon.com/dp/B0GVKW3HY2) [**Super Mario Boys Pajama Set - 2 Piece Boys Flannel Coat Style Short Matching PJs Kids Button Down Pajamas - Official Grey**Komar Kids**$20.98**49 rev4mo ago](https://www.amazon.com/dp/B0GNTLS7NJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$23.92**0.0★**▲ 572%**](https://www.amazon.com/dp/B0GVL1P2TY) [**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$28.94**0.0★**▲ 559%**](https://www.amazon.com/dp/B0GVKNDBD2) [**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$23.02**0.0★**▲ 559%**](https://www.amazon.com/dp/B0GVKW3HY2) [**Super Mario Boys Pajama Set - 2 Piece Boys Flannel Coat Style Short Matching PJs Kids Button Down Pajamas - Official Grey**Komar Kids**$20.98**4.9★**▲ 556%**](https://www.amazon.com/dp/B0GNTLS7NJ) [**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$24.06**0.0★**▲ 555%**](https://www.amazon.com/dp/B0GVKNDYZW)
**~~View all trending →~~**
## **What buyers say about baby mario costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**20%
*“Fit is snug as expected”*
**Quality-Overall**11%
*“* Good quality for kids”*
**Value For Money**7%
*“Great value for such an affordable”*
**Ease Of Use**6%
*“Simple”*
**Comfort-Overall**5%
*“are very comfortable”*
**Soft Feel**5%
*“The fabric was soft”*
**Color**5%
*“the colors are accurate”*
**Material Quality**4%
*“The material is not cheaply made”*
**Design-Overall**4%
*“* Cute character design”*
**Durability**3%
*“durable”*
### **What buyers complain about **
**Size-Overall**18%
*“They seem large”*
**Product Condition**10%
*“It looks previously used”*
**Value For Money**7%
*“I just assumed since it was a little expensive that it would be a higher quality costume”*
**Quality-Overall**5%
*“Not good quality at all”*
**Thickness**5%
*“thin”*
**Advertised Vs Actual Product**5%
*“Does not come with the white gloves pictured so its a bit misleading”*
**Stretchability/Expandability/Elasticity**4%
*“this barely stretched enough to fit him”*
**Functionality-Overall**3%
*“It doesn't work”*
**Inflation/Deflation**3%
*“the fan does not work after a few wears to keep inflated”*
**Comfort-Overall**3%
*“were also quite snug where it was uncomfortable for him”*
### **Top return reasons **
**Size-Overall**67%
**Length**6%
**Product Condition**5%
**Material Quality**4%
**Advertised Vs Actual Product**3%
**Quality-Overall**3%
**Value For Money**2%
**Defective Material/Parts**2%
**Stitch/Finish/Polish**1%
**Thin**1%
## **Common questions**
- **Is baby mario costume profitable to sell on Amazon United States?**
- The niche generates $31K/yr across 53 tracked products. 4 of 18 products launched in the last 360 days are still selling. 90-day search growth is +36.0%. Flapen's verdict: Skip it (45/100).
- **How competitive is the baby mario costume niche?**
- 14 brands and 68 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in baby mario costume?**
- Top complaints mined from reviews: Size-Overall, Product Condition, Value For Money. The return rate is 9.4% — above our launch gate.
- **When does demand for baby mario costume peak?**
- Demand peaks in Sep–Oct; the busiest month runs 60.9× the quietest.
- **What does it cost to enter the baby mario costume niche?**
- Listings span $11.01–$47.01; the average listing price is $25.80 (sweet spot $15–$100). The average incumbent carries 595 reviews — the moat a new listing must climb.
## **Related niches in Clothing, Shoes & Jewelry**
- 72 [**first communion gifts for boys**](https://flapen.com/research/us/clothing-shoes-jewelry/first-communion-gifts-for-boys)$398K/yr+223.5%**Worth a look**- 72 [**fifa world cup 2026 tshirt**](https://flapen.com/research/us/clothing-shoes-jewelry/fifa-world-cup-2026-tshirt)$177K/yr>1,000%**Worth a look**- 72 [**american flag hat**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-hat)$764K/yr+428.8%**Worth a look**- 72 [**white socks men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-socks-men)$3.0M/yr+13.3%**Launch it**- 72 [**american flag overalls**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-overalls)$662K/yr>1,000%**Worth a look**- 73 [**white ankle socks for men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-ankle-socks-for-men)$448K/yr+88.3%**Worth a look**[**All Clothing, Shoes & Jewelry niches **](https://flapen.com/research/us/clothing-shoes-jewelry)