---
title: "Mario Bros Birthday Decorations — $403K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/mario-bros-birthday-decorations"
last_updated: "2026-08-07T03:26:51.319Z"
locale: en
meta:
description: "Niche score 65/100 · $403K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 65/100 · $403K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mario Bros Birthday Decorations — $403K/yr Amazon US Niche (2026) - Flapen"
---
# **mario bros birthday decorations**
**Worth a look**
Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 56Growth 57Conversion 41Competition 78Returns 96Price range 63Avg price 85Brand share 78Review moat 83Quality gap 37
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.84**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****340.44**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****37%**
top-5 click share — an open shelf
**Brand share**
**Great****57%**
top-5 brand share — no brand owns this niche
**Price range**
**Good****$2.88–$35.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+30.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$403K**
$403K/yr · 661K searches
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, mario bros birthday decorations is a $403K/yr Amazon United States market (661K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 65/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mario bros birthday decorations market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$283K–$377K**
- units × avg price
- **Conversion rate**
- **3.2%**
- **Avg BSR**
- **#704**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **4.2%**
- **Avg brand age**
- **27 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.
**Brands**
**30 **▼falling
**Sellers**
**47**
**Top-5 brand share**
**57%**
Top 20: 93%
**Top-5 click share**
**37%**
Top 20: 76%
**Open market**
**36%**
- PEACHPUNK17% - Hatraky14% - Novovida11% - 88xiaoyun8% - AZDHOT6% - TEOY6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +30.9% search growth over the last 90 days.
23K18KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/mario-bros-birthday-decorations/trend)
## **Top mario bros birthday decorations search terms**
- **super mario birthday decorations**196K/yr+94.9%1.8% conv. - **mario bros birthday decorations**82K/yr+8.1%1.1% conv. - **mario decorations**76K/yr+9.3%1.5% conv. - **super mario decorations**50K/yr-0.5%1.4% conv. - **mario kart birthday decorations**52K/yr-19.4%1.7% conv. - **mario brothers birthday decorations**24K/yr+13.9%2.2% conv. - **mario kart decorations**39K/yr-2.1%1.2% conv. - **decoracion de mario bros para nio**19K/yr+36.2%0.5% conv. - **mario kart party decorations**26K/yr-7.0%1.1% conv. - **mario party decor**17K/yr+17.4%1.4% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/mario-bros-birthday-decorations/search-terms)
## **Top mario bros birthday decorations 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%$12K6%$24K9%$36K12%$48K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Birthday Party Decorations 48PCS Mario Cartoon Theme Supplies - 1 Backdrop 1 Banner 4 Aluminum Balloons 1 Tablecloth 25 Cake Toppers 16 Latex Balloons.**PEACHPUNK**$22.54**4.4★168 rev](https://www.amazon.com/dp/B0FLPWYRY9) [2**Birthday Party Supplies Ultimate Kit - 14-in-1 Decorations Set with Banner Backdrop Tablecloth Balloons Plates Cutlery Cake Toppers for Themed Parties**Hatraky**$32.97**4.7★130 rev](https://www.amazon.com/dp/B0FL72LFS7) [3**Mario Birthday Party Supplies Party Decorations Set Include Banner Backdrop Balloons Hanging Swirls Cake Cupcake Toppers Tablecloth for Boys Girls Mario Theme Party**Novovida**$26.31**4.7★64 rev](https://www.amazon.com/dp/B0GHLTZWFQ) [4**Mario Birthday Party Supplies Party Decorations Set Include Banner Balloons Hanging Swirls Cake Cupcake Toppers Tablecloth for Boys Girls Mario Theme Party**TEOY**$21.97**4.6★80 rev](https://www.amazon.com/dp/B0GFH5Y3V8) [5**188 PCS Birthday Party Supplies Party Decorations Includes Balloons Film Balloons Plates Cups Banners Knives Forks Spoons Napkins Stickers Cake Topper Cupcake Toppers Tablecloth**Hatraky**$28.45**4.4★104 rev](https://www.amazon.com/dp/B0FLD9F7MP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2026 New Super Mario Birthday Decorations Set 4270 Tablecloth 15 Banners 6 Hanging Swirls 92-Piece Party Supplies Including 9and 7 Plates Napkins Cups Cutlery for Super Mario Themed Party**AZDHOT**$25.97**7 rev1mo ago](https://www.amazon.com/dp/B0H2ZRZZP7) [**2026 New Super Mario Birthday Decorations Set 60x40 Backdrop 71x43 Tablecloth Cake Toppers Balloons Banners Spirals Super Mario Party Supplies for Boys & Girls**AZDHOT**$26.85**14 rev2mo ago](https://www.amazon.com/dp/B0GY9DC3FS) [**Birthday Party Decorations 50PCS latest Mario Cartoon Theme Supplies - 1 large cake plugin 1 Backdrop 1 Banner 6 decorative pendants 1 Tablecloth 24 Cake Toppers 16 Latex Balloons.**88xiaoyun**$19.87**29 rev4mo ago](https://www.amazon.com/dp/B0GSJVNW1F) [**latest Mario Party Tableware 20 Plates and 20 Napkins and Tablecloth71 x 42 Super Bros Birthday Party Decorate Supplies**88xiaoyun**$17.85**43 rev4mo ago](https://www.amazon.com/dp/B0GSK44B9Z) [**88PCS For Latest Mario Party Supplies: 6 Hanging Swirls 20 Napkins 20 Cups 20 Plates 9 inch 20 Plates 7 inch 1 Banner 1 Tablecloth for Mario Birthday Party Decorations**88xiaoyun**$28.38**28 rev4mo ago](https://www.amazon.com/dp/B0GSJPXJ4V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Birthday Party Decorations 50PCS latest Mario Cartoon Theme Supplies - 1 large cake plugin 1 Backdrop 1 Banner 6 decorative pendants 1 Tablecloth 24 Cake Toppers 16 Latex Balloons.**88xiaoyun**$19.87**4.5★**▲ 118%**](https://www.amazon.com/dp/B0GSJVNW1F) [**2026 New Super Mario Birthday Decorations Set 4270 Tablecloth 15 Banners 6 Hanging Swirls 92-Piece Party Supplies Including 9and 7 Plates Napkins Cups Cutlery for Super Mario Themed Party**AZDHOT**$25.97**5.0★**▲ 118%**](https://www.amazon.com/dp/B0H2ZRZZP7) [**2026 New Super Mario Birthday Decorations Set 60x40 Backdrop 71x43 Tablecloth Cake Toppers Balloons Banners Spirals Super Mario Party Supplies for Boys & Girls**AZDHOT**$26.85**4.2★**▲ 118%**](https://www.amazon.com/dp/B0GY9DC3FS) [**88PCS For Latest Mario Party Supplies: 6 Hanging Swirls 20 Napkins 20 Cups 20 Plates 9 inch 20 Plates 7 inch 1 Banner 1 Tablecloth for Mario Birthday Party Decorations**88xiaoyun**$28.38**4.0★**▲ 118%**](https://www.amazon.com/dp/B0GSJPXJ4V) [**latest Mario Party Tableware 20 Plates and 20 Napkins and Tablecloth71 x 42 Super Bros Birthday Party Decorate Supplies**88xiaoyun**$17.85**4.3★**▲ 81%**](https://www.amazon.com/dp/B0GSK44B9Z)
**~~View all trending →~~**
## **What buyers say about mario bros birthday decorations**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“Decent quality”*
**Value For Money**11%
*“Good value for money”*
**Color**8%
*“vibrant colors”*
**Advertised Vs Actual Product**8%
*“just as advertised”*
**Design-Overall**6%
*“has some really fun designs on it”*
**Durability**5%
*“Very durable”*
**Size-Overall**5%
*“Perfect size”*
**Assembly/Installation**4%
*“Assembly is very easy”*
**Fun/Entertainment Experience**4%
*“Kids loved it”*
**Ease Of Use**2%
*“It was an easy way to make the cake look fun”*
### **What buyers complain about **
**Size-Overall**19%
*“Too small”*
**Quality-Overall**11%
*“Cons: it is overpriced for the quality”*
**Value For Money**7%
*“Not for this price though”*
**Smell**6%
*“Weird balloon smell”*
**Strength**6%
*“not super strong”*
**Advertised Vs Actual Product**6%
*“So, description is misleading”*
**Assembly/Installation**5%
*“No instructions to put together everything”*
**Thickness**5%
*“very thin products”*
**Inflation/Deflation**2%
*“Every single balloon lost its air and deflated”*
**Artificial Colors**2%
*“we were very upset that the ones we received in a purple box contain dyes”*
### **Top return reasons **
**Size-Overall**35%
**Value For Money**13%
**Advertised Vs Actual Product**11%
**Quality-Overall**9%
**Material Quality**4%
**Defective Material/Parts**4%
**Color**4%
**Strength**2%
**Assembly/Installation**2%
**Adhesion/Stickiness**2%
## **Common questions**
- **Is mario bros birthday decorations profitable to sell on Amazon United States?**
- The niche generates $403K/yr across 45 tracked products. 21 of 29 products launched in the last 360 days are still selling. 90-day search growth is +30.9%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the mario bros birthday decorations niche?**
- 30 brands and 47 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 57% of demand.
- **What do buyers complain about in mario bros birthday decorations?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 0.8%.
- **When does demand for mario bros birthday decorations peak?**
- Demand peaks in Apr–May; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the mario bros birthday decorations niche?**
- Listings span $2.88–$35.96; the average listing price is $18.84 (sweet spot $15–$100). The average incumbent carries 340 reviews — the moat a new listing must climb.
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