dinosaur costume
Skip itSoft demand (-43.5% this quarter) — this niche doesn't clear our bar today.
Avg price
Great£17.71avg listing price — sweet spot $15–$100
Review moat
Good521.27avg incumbent reviews — the moat a new listing must climb
Brand share
Good64%top-5 brand share — brands hold most of the demand
Price range
Good£6.21–£25.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Market size
Okay£263K£263K/yr · 812K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.6%return rate — above 5% kills the launch gate
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-43.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, dinosaur costume is a £263K/yr Amazon United Kingdom market (812K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Mar–Oct–Nov. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
dinosaur costume market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- £221K–£266K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #612
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 80%
- Out of stock
- 3.9%
- Avg brand age
- 36 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
23 rising
Sellers
29
Top-5 brand share
64%
Top 20: 97%
Top-5 click share
54%
Top 20: 90%
Open market
32%
- JASHKE17%
- OLAOLA16%
- Rafalacy14%
- TO.BE.NO.1 Towards The First9%
- REWIAR7%
- DiULi5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -43.5% search growth over the last 90 days.Peak months: Mar, Oct, Nov · busiest ÷ quietest = 11.8×
Top dinosaur costume search terms
- dinosaur costume323K/yr
- inflatable dinosaur costume141K/yr
- dinosaur costume kids74K/yr
- kids dinosaur costume56K/yr
- dinosaur costume adult28K/yr
- adult dinosaur costume21K/yr
- blow up dinosaur costume22K/yr
- dinosaur outfit10K/yr
- dinosaur inflatable costume16K/yr
- inflatable dinosaur costume adult12K/yr
Top dinosaur 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
JASHKE Dinosaur Inflatable Costume T-rex Costume Adult
JASHKE£23.544.4★2,094 rev
OLAOLA Green Dinosaur Onesie Adult Unisex Costume Pyjamas M(55-59)
OLAOLA£25.184.4★307 rev
TO.BE.NO.1 Towards The First inflatable dinosaur costume adult T-Rex Dinosaur Costume Adults Funny Cosplay Halloween (Brown)
TO.BE.NO.1 Towards The First£22.194.7★775 rev
REWIAR Inflatable Dinosaur Costume for Adult - Riding T-Rex Air Blowing up Funny Fancy Dress Party Halloween Costume (M)
REWIAR£23.144.2★63 rev
Rafalacy Inflatable Dinosaur Costumes Adult Size T-REX Ride on Halloween Costume Funny Dino Blow up Costume (Black)
Rafalacy£22.894.5★466 rev
Newest
by launch date
SERTAS Dinosaur Skeleton Costume 3D Wearable Gray Skull and Spine Plush Prop Realistic Dino Cosplay Outfit for Halloween Party and Themed Events (S)
SERTAS£8.841 rev
Ryfpdml 3D Wearable Realistic Skeleton Dinosaur Costume Realistic Dinosaur Skeleton Costume Set Spinosaurus Plush Dino Funny Dino Headgear Hat for Halloween Cosplay Themed Parties
Ryfpdml£20.514 rev
Realistic Dinosaur Skeleton Costume Set Spinosaurus Plush Dino Outfit Halloween Dinosaur Skull Headpiece and Spine Costume Fun Wearable Soft Fossil Outfit for Adults and Kids Fancy Dress Parties
MENIBBLER£10.1017 rev
Mikovivi Wearable Dinosaur Skeleton Costume for Kid Realistic 3D Spinosaurus Bone Plush Outfit for Themed Party Cosplay Prop (Grey)
Mikovivi£18.783 rev
ZuoLanlan Inflatable T-Rex Costume Full Body for Adults Brown Dinosaur Blow Up Suit Perfect Funny Outfit for Halloween Fancy Dress Party & Stag Do dino costume
ZuoLanlan£20.9725 rev
Trending
90-day click momentum
Dinopjs Boys Dinosaur Pyjamas Set Cotton Short Sleeved Summer Pjs for Kids Pajamas 3-8 Years Children Clothes Deep-blue
Dinopjs£7.534.3★
Mikovivi Wearable Dinosaur Skeleton Costume for Kid Realistic 3D Spinosaurus Bone Plush Outfit for Themed Party Cosplay Prop (Grey)
Mikovivi£18.785.0★
SERTAS Dinosaur Skeleton Costume 3D Wearable Gray Skull and Spine Plush Prop Realistic Dino Cosplay Outfit for Halloween Party and Themed Events (S)
SERTAS£8.845.0★
OLAOLA Green Dinosaur Onesie Adult Unisex Costume Pyjamas M(55-59)
OLAOLA£25.184.4★
Realistic Dinosaur Skeleton Costume Set Spinosaurus Plush Dino Outfit Halloween Dinosaur Skull Headpiece and Spine Costume Fun Wearable Soft Fossil Outfit for Adults and Kids Fancy Dress Parties
MENIBBLER£10.104.2★
What buyers say about dinosaur costume
What buyers praise and complain about, mined from review topics.What buyers love
“Fun Costume”
“No issues at all”
“Great value”
“The fit was comfortable overall”
“easy to use”
“Light weight and durable”
“Quick to inflate”
“Exactly as described”
“Easy to put on”
“Very funny gift”
What buyers complain about
“it doesn't stay inflated”
“didnt fit well”
“Looks second hand. Bought this as a gift, the listing states it comes in product packaging. It didnt it came in a freezer bag like someone else had returned it”
“There's no clear instructions on how to do it”
“so you might think you can't actually attach it”
“It is very flimsy”
“The quality is a bit hit an miss”
“can be a little weird when you put it on as it feels like you can break it”
“The downside is that it can get quite warm after a while”
“the fan noise is noticeable in quieter environments”
Top return reasons
Common questions
- Is dinosaur costume profitable to sell on Amazon United Kingdom?
- The niche generates £263K/yr across 30 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -43.5%. Flapen's verdict: Skip it (44/100).
- How competitive is the dinosaur costume niche?
- 23 brands and 29 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in dinosaur costume?
- Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Advertised Vs Actual Product. The return rate is 3.6%.
- When does demand for dinosaur costume peak?
- Demand peaks in Mar–Oct–Nov; the busiest month runs 11.8× the quietest.
- What does it cost to enter the dinosaur costume niche?
- Listings span £6.21–£25.18; the average listing price is £17.71 (sweet spot $15–$100). The average incumbent carries 521 reviews — the moat a new listing must climb.