---
title: "Thomas the Train Birthday Party Supplies — $66K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/thomas-the-train-birthday-party-supplies"
last_updated: "2026-08-09T12:14:02.808Z"
locale: en
meta:
description: "Niche score 48/100 · $66K/yr market · 170K searches/yr · $16.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $66K/yr market · 170K searches/yr · $16.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Thomas the Train Birthday Party Supplies — $66K/yr Amazon US Niche (2026) - Flapen"
---
# **thomas the train birthday party supplies**
**Skip it**
A small market ($66K/yr) — this niche doesn't clear our bar today.
Market size 16Growth 20Conversion 30Competition 70Returns 56Price range 56Avg price 78Brand share 79Review moat 65Quality gap 60
**Brand share**
**Great****56%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$16.04**
avg listing price — sweet spot $15–$100
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****907.97**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$5.06–$27.56**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-11.0%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$66K**
$66K/yr · 170K searches
**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, thomas the train birthday party supplies is a $66K/yr Amazon United States market (170K searches/yr). The top 5 brands hold 56% of demand. Verdict: Skip it — 48/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **thomas the train birthday party supplies market data**
- **Units sold / yr**
- **4K–5K**
- avg 0–100/product
- **Revenue / yr**
- **$64K–$80K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#3,592**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **74%**
- **Out of stock**
- **12.6%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**40**
**Top-5 brand share**
**56%**
Top 20: 99%
**Top-5 click share**
**43%**
Top 20: 85%
**Open market**
**38%**
- FFGJA16% - Autrpoweo15% - Lenglet14% - Generic6% - Yhnmju6% - THOMAS & FRIENDS6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.0% search growth over the last 90 days.
5K3KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/thomas-the-train-birthday-party-supplies/trend)
## **Top thomas the train birthday party supplies search terms**
- **thomas the train birthday decorations**81K/yr-9.5%1.9% conv. - **thomas and friends birthday decorations**16K/yr-16.7%1.7% conv. - **thomas the train birthday**15K/yr-16.1%1.2% conv. - **thomas the train party supplies**14K/yr-8.3%1.7% conv. - **thomas the train balloons**9K/yr+10.6%2.9% conv. - **thomas birthday decorations**11K/yr-14.9%1.8% conv. - **thomas the train party**6K/yr+12.4%1.2% conv. - **thomas the train decorations**6K/yr-15.4%2.7% conv. - **thomas train birthday decorations**6K/yr-31.9%3.9% conv. - **thomas the train party decorations**7K/yr-23.8%2.4% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/thomas-the-train-birthday-party-supplies/search-terms)
## **Top thomas the train birthday party supplies 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%4%$3K8%$5K12%$8K16%$11K1101001K10K 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**Train Birthday Party Supplies Train Friends Theme Party Tableware Includes 20Pcs Plates 20Pcs Napkins and 2Pcs Tablecloth for Kids Train Theme Party Decorations**Lenglet**$25.61**4.5★123 rev](https://www.amazon.com/dp/B09JP3DZHF) [2**42Pack Train Friends Party Supplies Pack IncludesBannerCake TopperBlackdrop Balloons for Train Friends party Decoration plates**Autrpoweo**$27.56**4.1★45 rev](https://www.amazon.com/dp/B0F9XVJ134) [3**12pcs Trains Hanging Swirls Birthday Party suppliers Decorations The Me**Generic**$8.83**4.6★12 rev](https://www.amazon.com/dp/B0FRZ77DDV) [4**Thomas Train birthday party supplies including cake caps cupcake caps flags Latex Balloons It is very suitable for boys and girl themed birthday party supplies**Yhnmju**$22.03**4.4★21 rev](https://www.amazon.com/dp/B0GLMNP3CF) [5**Train Birthday Party Decoration Include Train Theme Birthday Banner Cake Topper Latex Balloons Hanging Swirls for Thomas Train Theme Kids Party Supplies Baby Shower**PINUO**$16.91**1.5★2 rev](https://www.amazon.com/dp/B0G325N6QL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Thomas Train Birthday Decorations Thomas Train Party Supplies Include Happy Birthday Banner Cake Topper and Cupcake Toppers Balloons for Kids Party Decor**FFGJA**$19.80**0 rev2mo ago](https://www.amazon.com/dp/B0GZZSJJQL) [**Train Birthday Backdrop Party Supplies for Train Themed Party Decorations(5x3ft)**FFGJA**$16.85**12 rev3mo ago](https://www.amazon.com/dp/B0GWH75WF5) [**8Pcs Thomas Train Table Centerpieces Birthday Party Supplies Double Side Table Decorations for Thomas Train Themed Party Decorations**FFGJA**$15.79**3 rev3mo ago](https://www.amazon.com/dp/B0GWGX8FYG) [**25pcs Thomas Train Themed Party Supplies with 24pcs Cupcake Toppers 1pcs Cake Topper for Thomas Train Birthday Decorations**FFGJA**$9.98**5 rev3mo ago](https://www.amazon.com/dp/B0GWGW6SPX) [**Thomas Train birthday party supplies including cake caps cupcake caps flags Latex Balloons It is very suitable for boys and girl themed birthday party supplies**Yhnmju**$22.03**21 rev5mo ago](https://www.amazon.com/dp/B0GLMNP3CF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Thomas Train Birthday Decorations Thomas Train Party Supplies Include Happy Birthday Banner Cake Topper and Cupcake Toppers Balloons for Kids Party Decor**FFGJA**$19.80**0.0★**▲ 228%**](https://www.amazon.com/dp/B0GZZSJJQL) [**25pcs Thomas Train Themed Party Supplies with 24pcs Cupcake Toppers 1pcs Cake Topper for Thomas Train Birthday Decorations**FFGJA**$9.98**3.3★**▲ 228%**](https://www.amazon.com/dp/B0GWGW6SPX) [**Train Birthday Backdrop Party Supplies for Train Themed Party Decorations(5x3ft)**FFGJA**$16.85**4.4★**▲ 227%**](https://www.amazon.com/dp/B0GWH75WF5) [**8Pcs Thomas Train Table Centerpieces Birthday Party Supplies Double Side Table Decorations for Thomas Train Themed Party Decorations**FFGJA**$15.79**5.0★**▲ 227%**](https://www.amazon.com/dp/B0GWGX8FYG) [**Train Birthday Party Decoration Include Train Theme Birthday Banner Cake Topper Latex Balloons Hanging Swirls for Thomas Train Theme Kids Party Supplies Baby Shower**PINUO**$16.91**1.5★**▲ 169%**](https://www.amazon.com/dp/B0G325N6QL)
**~~View all trending →~~**
## **What buyers say about thomas the train birthday party supplies**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Good quality”*
**Value For Money**13%
*“Worth it”*
**Advertised Vs Actual Product**11%
*“Exactly what I was looking for”*
**Size-Overall**10%
*“Great size”*
**Gifting Purpose**5%
*“also good for giveaways or small prizes”*
**Durability**5%
*“Havent had any break yet”*
**Color**4%
*“bright colors”*
**Fun/Entertainment Experience**3%
*“Fun for all kids”*
**Design-Overall**3%
*“Great party decorations”*
**Assembly/Installation**2%
*“Easy to assemble too”*
### **What buyers complain about **
**Size-Overall**17%
*“Tiny sticker book”*
**Advertised Vs Actual Product**12%
*“Not as advertised”*
**Quality-Overall**10%
*“Quality is very poor”*
**Smell**8%
*“balloons smelled”*
**Audio Quality**5%
*“sounds bad”*
**Value For Money**4%
*“not worth the price”*
**Assembly/Installation**4%
*“Ridiculous that you have to put everything together”*
**Durability**4%
*“it broke in his mouth”*
**Strength**4%
*“They are not sturdy at all and SUPER cheap”*
**Strap/String Quality**3%
*“But the strap is not proportion for the shoe”*
### **Top return reasons **
**Size-Overall**52%
**Advertised Vs Actual Product**6%
**Value For Money**6%
**Quality-Overall**5%
**Color**4%
**Defective Material/Parts**3%
**Functionality-Overall**2%
**Audio Quality**2%
**Strap/String Quality**2%
**Length**2%
## **Common questions**
- **Is thomas the train birthday party supplies profitable to sell on Amazon United States?**
- The niche generates $66K/yr across 35 tracked products. 0 of 12 products launched in the last 360 days are still selling. 90-day search growth is -11.0%. Flapen's verdict: Skip it (48/100).
- **How competitive is the thomas the train birthday party supplies niche?**
- 22 brands and 40 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 56% of demand.
- **What do buyers complain about in thomas the train birthday party supplies?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 2.8%.
- **When does demand for thomas the train birthday party supplies peak?**
- Demand is steady year-round — the busiest month runs 2.0× the quietest.
- **What does it cost to enter the thomas the train birthday party supplies niche?**
- Listings span $5.06–$27.56; the average listing price is $16.04 (sweet spot $15–$100). The average incumbent carries 908 reviews — the moat a new listing must climb.
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