---
title: "Happy Birthday Inflatable — $155K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/happy-birthday-inflatable"
last_updated: "2026-08-11T07:58:31.373Z"
locale: en
meta:
  description: "Niche score 55/100 · $155K/yr market · 139K searches/yr · $39.18 avg price. Soft demand (+3.6% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $155K/yr market · 139K searches/yr · $39.18 avg price. Soft demand (+3.6% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Happy Birthday Inflatable — $155K/yr Amazon US Niche (2026) - Flapen"
---

# **happy birthday inflatable**

**Worth a look**

Shows a sweet-spot price point ($39.18 avg), but soft demand (+3.6% this quarter) keeps it on the watch list.

Market size 33Growth 30Conversion 36Competition 81Returns 49Price range 86Avg price 95Brand share 86Review moat 79Quality gap 38

**Avg price**

**Incredible****$39.18**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****49%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****$6.34–$80.63**

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

**Competition**

**Great****34%**

top-5 click share — an open shelf

**Review moat**

**Great****427.13**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****3.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.9%**

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

**Market size**

**Okay****$155K**

$155K/yr · 139K searches

**Growth**

**Okay****+3.6%**

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

**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, happy birthday inflatable is a $155K/yr Amazon United States market (139K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jan. Verdict: Worth a look — 55/100.

Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **happy birthday inflatable market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$118K–$157K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#760**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**89%**</dd>

<dt>**Out of stock**</dt><dd>**20.5%**</dd>

<dt>**Avg brand age**</dt><dd>**31 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

**Brands**

**29 **▼falling

**Sellers**

**32**

**Top-5 brand share**

**49%**

Top 20: 94%

**Top-5 click share**

**34%**

Top 20: 75%

**Open market**

**46%**

- KOOY16% - TURNMEON11% - GIFTFIND8% - SHDEJTG8% - JOYIN5% - InfleasJoiy5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +3.6% search growth over the last 90 days.

4K3KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.7×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/happy-birthday-inflatable/trend)

## **Top happy birthday inflatable search terms**

- **happy birthday inflatable**30K/yr-0.5%1.8% conv. - **birthday inflatable**29K/yr-2.1%1.6% conv. - **inflatable birthday cake**13K/yr+40.8%2.6% conv. - **happy birthday inflatable outdoor**11K/yr+16.0%2.4% conv. - **happy birthday blow up inflatable**11K/yr+9.2%2.6% conv. - **inflatable birthday decorations**10K/yr+9.1%1.2% conv. - **birthday inflatable outdoor**10K/yr-21.6%2.1% conv. - **birthday blow up**8K/yr-26.4%1.9% conv. - **inflatable birthday**6K/yr+22.6%0.9% conv. - **inflatable happy birthday**4K/yr+25.3%1.5% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/happy-birthday-inflatable/search-terms)

## **Top happy birthday inflatable 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%$5K6%$9K9%$14K12%$19K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product 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![6 Ft Inflatable Happy Birthday Cake Decorations Outdoor Lighted Blow Up Holiday Birthday Party Decor with Candles 6 LED Lights for Indoor Home Celebration Garden Lawn Yard Prop Sign](https://m.media-amazon.com/images/I/51MeLX9ltpL.jpg)**6 Ft Inflatable Happy Birthday Cake Decorations Outdoor Lighted Blow Up Holiday Birthday Party Decor with Candles 6 LED Lights for Indoor Home Celebration Garden Lawn Yard Prop Sign**TURNMEON**$43.80**4.6★256 rev](https://www.amazon.com/dp/B0CBDXRJNJ) [2![8FT Inflatable Happy Birthday Cake Decoration with Candles Blow up Outdoor Yard Decorations Built-in LED Lights for Holiday Party Garden Lawn Indoor Home Celebration](https://m.media-amazon.com/images/I/518vZ17qRQL.jpg)**8FT Inflatable Happy Birthday Cake Decoration with Candles Blow up Outdoor Yard Decorations Built-in LED Lights for Holiday Party Garden Lawn Indoor Home Celebration**KOOY**$50.66**4.7★61 rev](https://www.amazon.com/dp/B0DGT6B9RF) [3![8FT Inflatable Happy Birthday Banner Decorations Blow up Outdoor Yard Decor Built-in LED Lights for Holiday Party Garden Lawn Indoor Home Celebration](https://m.media-amazon.com/images/I/51wAuJKz89L.jpg)**8FT Inflatable Happy Birthday Banner Decorations Blow up Outdoor Yard Decor Built-in LED Lights for Holiday Party Garden Lawn Indoor Home Celebration**KOOY**$41.01**4.3★9 rev](https://www.amazon.com/dp/B0G1DZXQCS) [4![JOYIN 12-Pack 12 Beach Balls - Bulk Classic Beachball Inflatable Swimming Pool Toys for Games Adults Kids Birthday Party Supplies Combo Set Rainbow Color Blow Up Luau Decorations Favors Gifts (12)](https://m.media-amazon.com/images/I/51b7pmLpDZL.jpg)**JOYIN 12-Pack 12 Beach Balls - Bulk Classic Beachball Inflatable Swimming Pool Toys for Games Adults Kids Birthday Party Supplies Combo Set Rainbow Color Blow Up Luau Decorations Favors Gifts (12)**JOYIN**$9.90**4.5★3,613 rev](https://www.amazon.com/dp/B07NWR7HKD) [5![GOOSH 6.2 FT Birthday Inflatables Outdoor Decorations Cake with Candle Happy Birthday Blow Up Yard Decoration with Colorful Rotating LED Lights for Party Garden Lawn](https://m.media-amazon.com/images/I/51QBk8UPjPL.jpg)**GOOSH 6.2 FT Birthday Inflatables Outdoor Decorations Cake with Candle Happy Birthday Blow Up Yard Decoration with Colorful Rotating LED Lights for Party Garden Lawn**GOOSH**$41.53**4.7★190 rev](https://www.amazon.com/dp/B08QYXDNMS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4.4FT Inflatable Tiered Cake Yard Decoration Blow Up Happy Birthday Cake with Rainbow Splatter IP65 Waterproof Decor for Engagement Anniversary & Party Includes Blower Stakes Sandbags](https://m.media-amazon.com/images/I/51bPWT1JCqL.jpg)**4.4FT Inflatable Tiered Cake Yard Decoration Blow Up Happy Birthday Cake with Rainbow Splatter IP65 Waterproof Decor for Engagement Anniversary & Party Includes Blower Stakes Sandbags**GIFTFIND**$24.92**7 rev3mo ago](https://www.amazon.com/dp/B0GF1KWTFQ) [![YEFOLAHK 6FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday](https://m.media-amazon.com/images/I/51AS+ZcFUgL.jpg)**YEFOLAHK 6FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday**YEFOLAHK**$37.15**0 rev5mo ago](https://www.amazon.com/dp/B0GKGMNQK8) [![4FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday](https://m.media-amazon.com/images/I/51a0sA3UMzL.jpg)**4FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday**YEFOLAHK**$30.10**1 rev5mo ago](https://www.amazon.com/dp/B0GKGMWNDT) [![5FT Happy Birthday Inflatable Outdoor Decoration Birthday Cake Inflatable with Candles Blow up Yard Decorations for Outdoor Garden Porch Lawn Decor](https://m.media-amazon.com/images/I/51yNVM+S7zL.jpg)**5FT Happy Birthday Inflatable Outdoor Decoration Birthday Cake Inflatable with Candles Blow up Yard Decorations for Outdoor Garden Porch Lawn Decor**LOVTILAK**$37.19**251 rev5mo ago](https://www.amazon.com/dp/B0GHR7NRJ1) [![PIPIMOUSE 4 Ft Inflatable Happy Birthday Cake Decorations Outdoor with Built-in LED Lighted Colourful Blow Up Birthday Cake with Candles for Party Yard Lawn Garden Indoor Home Celebration](https://m.media-amazon.com/images/I/41K5it88dUL.jpg)**PIPIMOUSE 4 Ft Inflatable Happy Birthday Cake Decorations Outdoor with Built-in LED Lighted Colourful Blow Up Birthday Cake with Candles for Party Yard Lawn Garden Indoor Home Celebration**PIPIMOUSE**$33.30**8 rev6mo ago](https://www.amazon.com/dp/B0GG9W2L4F)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![YEFOLAHK 6FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday](https://m.media-amazon.com/images/I/51AS+ZcFUgL.jpg)**YEFOLAHK 6FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday**YEFOLAHK**$37.15**0.0★**▲ 220%**](https://www.amazon.com/dp/B0GKGMNQK8) [![4.4FT Inflatable Tiered Cake Yard Decoration Blow Up Happy Birthday Cake with Rainbow Splatter IP65 Waterproof Decor for Engagement Anniversary & Party Includes Blower Stakes Sandbags](https://m.media-amazon.com/images/I/51bPWT1JCqL.jpg)**4.4FT Inflatable Tiered Cake Yard Decoration Blow Up Happy Birthday Cake with Rainbow Splatter IP65 Waterproof Decor for Engagement Anniversary & Party Includes Blower Stakes Sandbags**GIFTFIND**$24.92**5.0★**▲ 218%**](https://www.amazon.com/dp/B0GF1KWTFQ) [![4FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday](https://m.media-amazon.com/images/I/51a0sA3UMzL.jpg)**4FT Happy Birthday Inflatable Cake with Candles Built-in LED Lights Blow Up Yard Decoration for Indoor Outdoor Garden Lawn Patio Party Holiday**YEFOLAHK**$30.10**3.0★**▲ 214%**](https://www.amazon.com/dp/B0GKGMWNDT) [![6 FT Inflatable Happy Birthday Cake Decorations with Candles Build-in LED Lights Birthday Cake Blow up Outdoor Yard Decorations for Birthday Party Indoor Home Celebration Garden Lawn](https://m.media-amazon.com/images/I/51CO0UMzGvL.jpg)**6 FT Inflatable Happy Birthday Cake Decorations with Candles Build-in LED Lights Birthday Cake Blow up Outdoor Yard Decorations for Birthday Party Indoor Home Celebration Garden Lawn**SHDEJTG**$22.59**5.0★**▲ 212%**](https://www.amazon.com/dp/B0DRJ6RZDZ) [![PIPIMOUSE 4 Ft Inflatable Happy Birthday Cake Decorations Outdoor with Built-in LED Lighted Colourful Blow Up Birthday Cake with Candles for Party Yard Lawn Garden Indoor Home Celebration](https://m.media-amazon.com/images/I/41K5it88dUL.jpg)**PIPIMOUSE 4 Ft Inflatable Happy Birthday Cake Decorations Outdoor with Built-in LED Lighted Colourful Blow Up Birthday Cake with Candles for Party Yard Lawn Garden Indoor Home Celebration**PIPIMOUSE**$33.30**3.2★**▲ 165%**](https://www.amazon.com/dp/B0GG9W2L4F)

**~~View all trending →~~**

## **What buyers say about happy birthday inflatable**

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

### **What buyers love **

**Fun/Entertainment Experience**15%

*“Fun for all”*

**Size-Overall**12%

*“They are good size”*

**Quality-Overall**12%

*“Great quality and easy to put up”*

**Value For Money**9%

*“a good value for the money”*

**Assembly/Installation**7%

*“simple - just plug it in”*

**Color**7%

*“The colors are bright”*

**Advertised Vs Actual Product**5%

*“As expected”*

**Durability**4%

*“Quality and Durability”*

**Brightness/Shine/Glow**4%

*“Fun, Bright, and Exactly as Described”*

**Design-Overall**3%

*“The overall look is vibrant”*

### **What buyers complain about **

**Size-Overall**32%

*“Small”*

**Quality-Overall**10%

*“Poor quality”*

**Inflation/Deflation**10%

*“it caused the ballon did not want to stay inflated”*

**Advertised Vs Actual Product**6%

*“It is not the one pictured”*

**Durability**5%

*“Can break easily”*

**Strap/String Quality**5%

*“the hole to put the string broke so it was dangling”*

**Adhesion/Stickiness**2%

*“was glued shut”*

**Defective Material/Parts**2%

*“the valve was malfunctioning”*

**Functionality-Overall**2%

*“so it didnt work”*

**Add-Ons/Attachments**1%

*“attachment are very cheap plastic”*

### **Top return reasons **

**Size-Overall**45%

**Value For Money**12%

**Inflation/Deflation**8%

**Advertised Vs Actual Product**7%

**Functionality-Overall**5%

**Defective Material/Parts**3%

**Color**3%

**Leak-Proof**3%

**Quality-Overall**2%

**Material Quality**2%

## **Common questions**

<dl>

<dt>**Is happy birthday inflatable profitable to sell on Amazon United States?**</dt><dd>The niche generates $155K/yr across 47 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is +3.6%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the happy birthday inflatable niche?**</dt><dd>29 brands and 32 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 49% of demand.</dd>

<dt>**What do buyers complain about in happy birthday inflatable?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Inflation/Deflation. The return rate is 3.1%.</dd>

<dt>**When does demand for happy birthday inflatable peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 1.7× the quietest.</dd>

<dt>**What does it cost to enter the happy birthday inflatable niche?**</dt><dd>Listings span $6.34–$80.63; the average listing price is $39.18 (sweet spot $15–$100). The average incumbent carries 427 reviews — the moat a new listing must climb.</dd>

</dl>

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