train birthday party supplies
Worth a lookShows no brand lock-in (top 5 brands take 31% of clicks), but soft demand (-10.6% this quarter) keeps it on the watch list.
Brand share
Incredible31%top-5 brand share — no brand owns this niche
Review moat
Great232.51avg incumbent reviews — the moat a new listing must climb
Competition
Great30%top-5 click share — an open shelf
Avg price
Great$15.41avg listing price — sweet spot $15–$100
Price range
Good$4.21–$29.73cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.6%return rate — above 5% kills the launch gate
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Market size
Okay$130K$130K/yr · 291K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-10.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, train birthday party supplies is a $130K/yr Amazon United States market (291K searches/yr). The top 5 brands hold 31% of demand. Demand peaks in Jan. Verdict: Worth a look — 52/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
train birthday party supplies market data
- Units sold / yr
- 8K–10K
- avg 0–100/product
- Revenue / yr
- $123K–$154K
- units × avg price
- Conversion rate
- 2.9%
- Avg BSR
- #2,409
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 97%
- Out of stock
- 1.2%
- Avg brand age
- 30 months
- Avg seller age
- 169 days
Competition & brand share
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.Brands
54 falling
Sellers
70
Top-5 brand share
31%
Top 20: 75%
Top-5 click share
30%
Top 20: 72%
Open market
65%
- Xynic10%
- Unordinary Toddler7%
- party greeting5%
- Yingoto4%
- Sursurprise4%
- Yoyuspy4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.6% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.7×
Top train birthday party supplies search terms
- train birthday decorations99K/yr
- train party decorations45K/yr
- train decorations29K/yr
- train birthday20K/yr
- train birthday party supplies24K/yr
- train themed birthday decorations17K/yr
- train party17K/yr
- train decorations for birthday party13K/yr
- train party supplies9K/yr
- train birthday party9K/yr
Top 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
201 Pcs Train Birthday Decorations Train Plates and Napkins Birthday Party Supplies Banner Hanging Swirls Honeycomb Centerpieces Train Table Toppers Train Themed Party Decorations for Birthday
Xynic$25.084.7★275 rev

Unordinary Toddler 2nd Birthday Shirt boy Chugga Chugga Two Two Train im 2 Years Old Second Birthday Tshirt (US Age 3 Years Charcoal Black)
Unordinary Toddler$12.964.8★2,453 rev

party greeting 109Pcs Train Birthday Party Supplies Includes Steam Train Party Plates Napkins Fork Retro Train Banner Hanging Ceiling Swirls for Train Transportation Baby Shower Party Decorations Set
party greeting$21.104.8★52 rev

Yingoto 209pcs Train Birthday Decorations for 25 Guests Disposable Tableware Set with Banner Balloons Cupcake Toppers Plates Cups Napkins Tablecloth Easy Assembly Train Party Decorations
Yingoto$22.204.9★25 rev

Sursurprise Train Theme Birthday Decorations Steam Train Happy Birthday Backdrop Banner Sign Railroad Crossing Cake Cupcake Topper Balloon for Transportation Traffic Vehicle Bday Party Decor
Sursurprise$21.104.4★22 rev
Newest
by launch date
Yingoto 209pcs Train Birthday Decorations for 25 Guests Disposable Tableware Set with Banner Balloons Cupcake Toppers Plates Cups Napkins Tablecloth Easy Assembly Train Party Decorations
Yingoto$22.2025 rev

Train Birthday Decorations Balloons Set 6PCS Foil Balloons with Train Railroad Track & Star Balloons Train Theme Party Decorations for Baby Shower & Kids Birthday Party
Stytallic$12.445 rev

27 Pcs Train Party Decorations Railroad Runner Track Banner Backdrop Balloon for Door Birthday Theme Classroom Decor ( Black )
Renbuzhu$15.8020 rev

Train Birthday Party Supplies - 31PCS Railroad Crossing Themed Decoration with Foil Balloons Banner Latex Balloons Cake Topper for Train Birthday Decorations Vintage Retro Transportation Decor
Fêteclairre$18.274 rev

Train Party Decoration Train Theme Door Banner Backdrop Railroad Track Aisle Runner Traffic Crossing Sign Background Fabric for Transportation Birthday School Classroom Home Baby Shower Supplies
Yiaoyinnz$15.3332 rev
Trending
90-day click momentum
Yingoto 209pcs Train Birthday Decorations for 25 Guests Disposable Tableware Set with Banner Balloons Cupcake Toppers Plates Cups Napkins Tablecloth Easy Assembly Train Party Decorations
Yingoto$22.204.9★

Train Birthday Decorations Balloons Set 6PCS Foil Balloons with Train Railroad Track & Star Balloons Train Theme Party Decorations for Baby Shower & Kids Birthday Party
Stytallic$12.445.0★

Train Birthday Party Supplies - 31PCS Railroad Crossing Themed Decoration with Foil Balloons Banner Latex Balloons Cake Topper for Train Birthday Decorations Vintage Retro Transportation Decor
Fêteclairre$18.275.0★

Unordinary Toddler 2nd Birthday Shirt boy Chugga Chugga Two Two Train im 2 Years Old Second Birthday Tshirt (US Age 3 Years Charcoal Black)
Unordinary Toddler$12.964.8★

Chugga Chugga Two Two Party Decorations 142Pcs Train 2nd Birthday Tableware Plates Napkins Cups Train Theme Party Favors for Baby Shower 2nd Birthday Decorations for Boys
Gupesxu$19.654.6★
What buyers say about train birthday party supplies
What buyers praise and complain about, mined from review topics.What buyers love
“Quality item with nice color detail”
“Great for the price”
“Fun for all ages”
“Cute designs”
“Colors are as shown”
“Just the right size”
“Exactly what I was looking for”
“Easy set up”
“Perfect for kids birthday parties”
“they seem durable”
What buyers complain about
“Tiny trains”
“Poor quality not for a cake topper”
“Rosette decoration with train on top is impossible to assemble”
“It's false advertising”
“Very flimsy”
“sounds bad”
“not the super thick kind”
“they break easy”
“But the strap is not proportion for the shoe”
“way too heavy to hold the balloon up with helium”
Top return reasons
Common questions
- Is train birthday party supplies profitable to sell on Amazon United States?
- The niche generates $130K/yr across 61 tracked products. 1 of 17 products launched in the last 360 days are still selling. 90-day search growth is -10.6%. Flapen's verdict: Worth a look (52/100).
- How competitive is the train birthday party supplies niche?
- 54 brands and 70 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 31% of demand.
- What do buyers complain about in train birthday party supplies?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Assembly/Installation. The return rate is 3.6%.
- When does demand for train birthday party supplies peak?
- Demand peaks in Jan; the busiest month runs 1.7× the quietest.
- What does it cost to enter the train birthday party supplies niche?
- Listings span $4.21–$29.73; the average listing price is $15.41 (sweet spot $15–$100). The average incumbent carries 233 reviews — the moat a new listing must climb.