Is triceratops costume profitable to sell on Amazon United States?

The niche generates $32K/yr across 32 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (40/100).

How competitive is the triceratops costume niche?

18 brands and 35 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in triceratops costume?

Top complaints mined from reviews: Quality-Overall, Ease Of Use, Zipper Quality. The return rate is 11.2% — above our launch gate.

When does demand for triceratops costume peak?

Demand peaks in Sep–Oct; the busiest month runs 54.6× the quietest.

What does it cost to enter the triceratops costume niche?

Listings span $14.55–$49.43; the average listing price is $31.83 (sweet spot $15–$100). The average incumbent carries 515 reviews — the moat a new listing must climb.

triceratops costume

Skip it

High returns (11.2%) — this niche doesn't clear our bar today.

Avg price

Incredible$31.83

avg listing price — sweet spot $15–$100

Price range

Great$14.55–$49.43

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

Review moat

Good514.63

avg incumbent reviews — the moat a new listing must climb

Competition

Good43%

top-5 click share — leaders hold, buyers still browse

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.6%

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

Growth

Bad-9.6%

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

Market size

Bad$32K

$32K/yr · 60K searches

Returns

Bad11.2%

return rate — above 5% kills the launch gate

Signals High Returns

According to Flapen's Amazon United States niche tracking, triceratops costume is a $32K/yr Amazon United States market (60K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 40/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

triceratops costume market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $24K–$32K; units × avg price
Conversion rate: 1.6%
Avg BSR: #20,190
Page quality: 0%
Prime: 100%
Sponsored: 84%
Out of stock: 28.8%
Avg brand age: 50 months
Avg seller age: 196 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

43%

Top 20: 85%

Open market

28%

COSUSKET21%
Loiahoer18%
HSCTEK14%
Hrxcrzco8%
MXoSUM6%
Rubies6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.6% search growth over the last 90 days.

Peak months: Sep, Oct · busiest ÷ quietest = 54.6×

Open Trend

Top triceratops costume search terms

triceratops costume22K/yr -3.6%1.2% conv.
triceratops costume kids19K/yr -2.8%0.9% conv.
toddler triceratops costume5K/yr +2.1%0.0% conv.
kids triceratops costume3K/yr -33.8%1.1% conv.
triceratops costume toddler7K/yr -68.3%1.7% conv.
dinosaur costume kids triceratops5K/yr -14.5%0.0% conv.

All search terms

Top triceratops 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.

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

COSUSKET Triceratops Costume 3T Kids Oneise Halloween Animal Pajamas Green

COSUSKET$27.844.7★2,854 rev

Loiahoer Kids & Teens Triceratops Onesie Costume Tie-dye Dino Halloween Costume Cosplay Costume Zipper for Girl and Boy Grey S

Loiahoer$25.824.5★50 rev

Hrxcrzco Adult Tie-dye Triceratops Costume Comfy&Warm Triceratops Pajamas Triceratops Pullover Hoodie Sweatshirt Halloween Christmas Costume Blue

Hrxcrzco$25.324.6★33 rev

Rubies Triceratops Costume for Toddlers Boys Toddler

Rubies$29.444.8★1,495 rev

MXoSUM Inflatable Dinosaur Costume Blow up Triceratops Costumes for Adults Fancy Dino Onesies Party Halloween Cosplay Costume

MXoSUM$49.434.5★966 rev

Newest

by launch date

Loiahoer Kids & Teens Triceratops Onesie Costume Tie-dye Dino Halloween Costume Cosplay Costume Zipper for Girl and Boy Grey S

Loiahoer$25.8250 rev

9mo ago

Loiahoer Kids & Teens Triceratops Onesie Costume Tie-dye Dino Halloween Costume Cosplay Costume Zipper for Girl and Boy Green S

Loiahoer$24.7250 rev

9mo ago

Hrxcrzco Adult Triceratops Pajamas Unisex Tie-dye Triceratops Onesie Cartoon Halloween Cosplay Hooded Zipper Costume Jumpsuit Blue L

Hrxcrzco$28.1519 rev

11mo ago

Hrxcrzco Adult Tie-dye Triceratops Costume Comfy&Warm Triceratops Pajamas Triceratops Pullover Hoodie Sweatshirt Halloween Christmas Costume Blue

Hrxcrzco$25.3233 rev

1y ago

NEWCOSPLAY Unisex Adult Triceratops Onesie Pajamas Animal One Piece Halloween Costume Cosplay Sleepwear (Triceratops Small)

NEWCOSPLAY$28.13349 rev

1y ago

What buyers say about triceratops costume

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

What buyers love

Quality-Overall19%

“High quality jammies”

Soft Feel14%

“Soft - Easy for Him to get into”

Comfort-Overall11%

“Cute and comfortable”

Color10%

“The colors are bright and fun, also the details on the headpiece and tail make it feel like a full little costume without needing much else”

Size-Overall9%

“It was a very good fit very nice and fun”

Advertised Vs Actual Product8%

“look just like the photos”

Fun/Entertainment Experience6%

“It is also fun to wear to feed chickens”

Value For Money5%

“Great value as well - similar items at random internet sellers outside of Amazon were up to 3 times more”

Durability3%

“it hasn't torn or faded at all”

Warmth3%

“Cozy and very warm”

What buyers complain about

Quality-Overall25%

“poorly made”

Ease Of Use13%

“It has a really hard time staying on”

Zipper Quality13%

“Zipper broke and has loose threads”

Warmth8%

“Very hot tho he could not start in it”

Top return reasons

Size-Overall55%

Length10%

Material Quality5%

Product Condition5%

Thigh Fit3%

Zipper Quality3%

Quality-Overall3%

Color2%

Height1%

Value For Money1%

Common questions

Is triceratops costume profitable to sell on Amazon United States?: The niche generates $32K/yr across 32 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (40/100).
How competitive is the triceratops costume niche?: 18 brands and 35 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in triceratops costume?: Top complaints mined from reviews: Quality-Overall, Ease Of Use, Zipper Quality. The return rate is 11.2% — above our launch gate.
When does demand for triceratops costume peak?: Demand peaks in Sep–Oct; the busiest month runs 54.6× the quietest.
What does it cost to enter the triceratops costume niche?: Listings span $14.55–$49.43; the average listing price is $31.83 (sweet spot $15–$100). The average incumbent carries 515 reviews — the moat a new listing must climb.