thomas the train costume
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$30.07avg listing price — sweet spot $15–$100
Price range
Great$11.97–$54.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great326.2avg incumbent reviews — the moat a new listing must climb
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Growth
Okay+0.7%90-day search growth — must beat 0% to launch
Returns
Bad6.7%return rate — above 5% kills the launch gate
Competition
Bad79%top-5 click share — a locked-up shelf
Market size
Bad$0$0/yr · 49K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, thomas the train costume is a $0/yr Amazon United States market (49K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 35/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
thomas the train costume market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $23K–$30K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #2,525
- Page quality
- 0%
- Prime
- 70%
- Sponsored
- 40%
- Out of stock
- 19.2%
- Avg brand age
- 48 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
23
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
16%
- UGKIamous49%
- California Costumes9%
- Seasons8%
- KtwHarnu7%
- Spirit Halloween6%
- Aeromax5%
- Open — no brand owns it (4 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.7% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 46.3×
Top thomas the train costume search terms
- train costume20K/yr
- train costume adult6K/yr
- train costume toddler7K/yr
- train costume kids10K/yr
- toddler train costume6K/yr
Top thomas the train costume 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
UGKIamous 1Pc Railroad Engineer Hat Train Conductor Hat Suitable for Matching Denim Overalls for Men and Women (One Size Blue and White)
UGKIamous$13.004.7★19 rev

California Costumes Boys All Aboard! Toddler Costume
California Costumes$35.834.4★256 rev

Seasons Light and Sound Train Costume Size for Kids 3-4 T
Seasons$33.254.2★61 rev

KtwHarnu Toddler Baby Boy Summer Clothes Train Engine Embroidery Short Sleeve T Shirt Plaid Shorts Set Infant 2 Piece Outfit (Blue 18-24 Months)
KtwHarnu$15.664.8★11 rev

Spirit Halloween Thomas And Friends Toddler Thomas the Train Ride-Along Costume | Officially Licensed | Easy Costume
Spirit Halloween$44.154.7★164 rev
Newest
by launch date
Zcaynger Toddler Baby Boy Girl T Shirt Cotton Summer Train Short Sleeve Crew Neck Undershirts T Shirts Black
Zcaynger$11.9717 rev

UGKIamous 1Pc Railroad Engineer Hat Train Conductor Hat Suitable for Matching Denim Overalls for Men and Women (One Size Blue and White)
UGKIamous$13.0019 rev

KtwHarnu Toddler Baby Boy Summer Clothes Train Engine Embroidery Short Sleeve T Shirt Plaid Shorts Set Infant 2 Piece Outfit (Blue 18-24 Months)
KtwHarnu$15.6611 rev

InSpirit Designs Thomas & Friends Kids Ride-Along Costume | Officially licensed | Thomas the Train Costume - One Size Fits Most
InSpirit Designs$39.221 rev

Seasons Light and Sound Train Costume Size for Kids 3-4 T
Seasons$33.2561 rev
Trending
90-day click momentum
Zcaynger Toddler Baby Boy Girl T Shirt Cotton Summer Train Short Sleeve Crew Neck Undershirts T Shirts Black
Zcaynger$11.974.1★

KtwHarnu Toddler Baby Boy Summer Clothes Train Engine Embroidery Short Sleeve T Shirt Plaid Shorts Set Infant 2 Piece Outfit (Blue 18-24 Months)
KtwHarnu$15.664.8★

UGKIamous 1Pc Railroad Engineer Hat Train Conductor Hat Suitable for Matching Denim Overalls for Men and Women (One Size Blue and White)
UGKIamous$13.004.7★

InSpirit Designs Thomas & Friends Kids Ride-Along Costume | Officially licensed | Thomas the Train Costume - One Size Fits Most
InSpirit Designs$39.221.0★

Aeromax Train Engineer Suit Adult Large
Aeromax$54.014.3★
What buyers say about thomas the train costume
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“well made”
“fit well”
“He loves it great quality adjustable fit”
What buyers complain about
“its definitely pretty flimsy”
“Product I received was dirty”
Top return reasons
Common questions
- Is thomas the train costume profitable to sell on Amazon United States?
- The niche generates $0/yr across 10 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +0.7%. Flapen's verdict: Skip it (35/100).
- How competitive is the thomas the train costume niche?
- 10 brands and 23 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in thomas the train costume?
- Top complaints mined from reviews: Strength, Ease Of Cleaning. The return rate is 6.7% — above our launch gate.
- When does demand for thomas the train costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 46.3× the quietest.
- What does it cost to enter the thomas the train costume niche?
- Listings span $11.97–$54.01; the average listing price is $30.07 (sweet spot $15–$100). The average incumbent carries 326 reviews — the moat a new listing must climb.