---
title: "baby mario costume — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/baby-mario-costume"
last_updated: "2026-07-13T23:25:25.601Z"
locale: en
meta:
  description: "a small market ($31K/yr) — baby mario costume doesn't clear our bar today."
  "og:description": "a small market ($31K/yr) — baby mario costume doesn't clear our bar today."
  "og:title": "baby mario costume — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **baby mario costume**

**Skip it**

A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 60Conversion 10Competition 82Returns 11Price 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

**Returns**

**Bad****9.4%**

return rate — above 6% kills the launch gate

**Conversion**

**Bad****0.8%**

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

**Market size**

**Bad****$31K**

$31K/yr · 147K searches

## **Competition**

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%**

**Open market**

**19%**

- Disguise32% - Super Mario13% - VINUOKER11% - Gakizon10% - Mavoka8% - IIMMER7%

## **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%3%$9246%$2K9%$3K12%$4K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)6 products missing review or click data not plotted

All 53 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)](https://m.media-amazon.com/images/I/31BQWzms+BL.jpg)**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](https://m.media-amazon.com/images/I/31RuUaRnHtL.jpg)**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](https://m.media-amazon.com/images/I/313i-vxGPbL.jpg)**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)](https://m.media-amazon.com/images/I/31ggyxxd-+L.jpg)**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](https://m.media-amazon.com/images/I/31RuUaRnHtL.jpg)**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](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$22.11**0 rev2mo ago](https://www.amazon.com/dp/B0GVKZMRRK) [![Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**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](https://m.media-amazon.com/images/I/41jLfoFITAL.jpg)**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$22.43**0 rev2mo ago](https://www.amazon.com/dp/B0GVKQB3S8) [![Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**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](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$28.94**0 rev3mo ago](https://www.amazon.com/dp/B0GVKNDBD2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Unisex Children Pink Onesie Halloween Costume Christmas Pajamas For Girls and Boys 4-5T](https://m.media-amazon.com/images/I/31VKOEmEsML.jpg)**Unisex Children Pink Onesie Halloween Costume Christmas Pajamas For Girls and Boys 4-5T**QSTYLE**$25.13**4.7★**▲ 587%**](https://www.amazon.com/dp/B0D6QCX9S3) [![Isaac Morris Limited Mario Little Boys Graphic T Shirt 4 Cream](https://m.media-amazon.com/images/I/41X+wCzU1xL.jpg)**Isaac Morris Limited Mario Little Boys Graphic T Shirt 4 Cream**Isaac Morris Limited**$12.77**4.3★**▲ 586%**](https://www.amazon.com/dp/B0GNCKGH9H) [![Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$22.11**0.0★**▲ 586%**](https://www.amazon.com/dp/B0GVKZMRRK) [![Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**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](https://m.media-amazon.com/images/I/41gNS3KUGCL.jpg)**Gakizon Baby Toddler Boy Outfits Set Birthday Party outfits**Gakizon**$28.94**0.0★**▲ 559%**](https://www.amazon.com/dp/B0GVKNDBD2)

**~~View all trending →~~**

## **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×

## **Reviews**

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%