sonic costume
Skip itSoft demand (-84.8% this quarter) — this niche doesn't clear our bar today.
Avg price
Great£17.76avg listing price — sweet spot $15–$100
Price range
Great£10.66–£35.49cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good589.67avg incumbent reviews — the moat a new listing must climb
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Returns
Good2.9%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad£19K£19K/yr · 104K searches
Brand share
Bad99%top-5 brand share — brand-locked demand
Growth
Bad-84.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, sonic costume is a £19K/yr Amazon United Kingdom market (104K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Mar–Oct. Verdict: Skip it — 33/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
sonic costume market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- £18K–£22K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #597
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 72%
- Out of stock
- 14.7%
- Avg brand age
- 35 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
6 flat
Sellers
31
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
49%
Top 20: 81%
Open market
0%
- Sonic The Hedgehog66%
- Disguise16%
- Rubies14%
- Ciao3%
- Snuggz1%
- Get Trend1%
Demand & seasonality
Weekly Amazon search volume, last 72 weeks — -84.8% search growth over the last 90 days.Peak months: Mar, Oct · busiest ÷ quietest = 14.5×
Top sonic costume search terms
- sonic costume67K/yr
- sonic costume kids11K/yr
- sonic the hedgehog costume13K/yr
- sonic dress up5K/yr
- sonic costume 7-84K/yr
- sonic costume 4-54K/yr
- sonic costume 5-6717/yr
Top sonic 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
Sonic The Hedgehog Kids Blue Onesie | Boys & Girls 3D Ears Hooded All-in-One Pyjamas with Sonic Face Print | Soft Fleece Character PJs for Gaming Loungewear Dress-Up Nightwear |Official Merchandise
Sonic The Hedgehog£20.884.5★1,401 rev
Disguise Sonic the Hedgehog Costume for Kids Official Sega Licensed Product Soft Jumpsuit with Attached Tail Detailed Hood with Dimensional Quills and Ears For 7-8 Years
Disguise£17.814.5★658 rev
Sonic The Hedgehog Kids Blue Onesie | Boys & Girls 3D Ears Hooded All-in-One Pyjamas with Sonic Face Print | Soft Fleece Character PJs for Gaming Loungewear Dress-Up Nightwear |Official Merchandise
Sonic The Hedgehog£19.494.5★1,401 rev
Sonic The Hedgehog Kids Blue Onesie | Boys & Girls 3D Ears Hooded All-in-One Pyjamas with Sonic Face Print | Soft Fleece Character PJs for Gaming Loungewear Dress-Up Nightwear |Official Merchandise
Sonic The Hedgehog£20.704.5★1,401 rev
Rubies 3016017-8000 Sonic Child Classic Costume Kids Fancy Dress Boys Girls Blue 7-8 Years Halloween
Rubies£13.944.7★144 rev
Newest
by launch date
Sonic The Hedgehog Boys PJs Boys Pyjamas Featuring Sonic Knuckles And Tails Short Sleeve Sonic Pyjamas Blue 5-6 Years
Sonic The Hedgehog£10.669 rev
Sonic The Hedgehog Boys Pyjamas Shadow The Hedgehog Short Pyjamas For Kids Cotton Boys Pjs 7-8 Years Black
Sonic The Hedgehog£12.145 rev
Sonic The Hedgehog Boys or Girls Hooded Onesie All in One Pyjamas Shadow Black Age 7-8 Years
Sonic The Hedgehog£19.0538 rev
Sonic 3 Shadow Fancy Dress Jumpsuit for Kids Official Sonic the Hedgehog by Disguise Soft Fabric Fabric Hood with Dimensional Quills and Ears Unisex for Ages 4-6 7-8 and 10-12 years
Disguise£17.86115 rev
Sonic The Hedgehog Pyjamas | Boys Onesie | Sonic Costume Kids | Blue 11-12 Years
Sonic The Hedgehog£13.58300 rev
Trending
90-day click momentumSonic The Hedgehog Boys PJs Boys Pyjamas Featuring Sonic Knuckles And Tails Short Sleeve Sonic Pyjamas Blue 5-6 Years
Sonic The Hedgehog£10.664.5★
Sonic The Hedgehog Boys Pyjamas Shadow The Hedgehog Short Pyjamas For Kids Cotton Boys Pjs 7-8 Years Black
Sonic The Hedgehog£12.144.7★
Sonic The Hedgehog Boys Swimsuit Set in Blue | 2 Piece T-Shirt & Swim Shorts for Kids | Racing Checkers Swimming Costume for Gamers | Gaming Cartoon Swimwear Merchandise Gift for Children
Sonic The Hedgehog£13.814.4★
Sonic The Hedgehog Boys Swimsuit Set in Blue | 2 Piece T-Shirt & Swim Shorts for Kids | Racing Checkers Swimming Costume for Gamers | Gaming Cartoon Swimwear Merchandise Gift for Children
Sonic The Hedgehog£14.144.4★
Sonic The Hedgehog Boys Swimming Costume Summer Holiday Essentials for Kids Childrens Swimwear 3-10 Years Short Sleeve Full Body Swimsuit with Zip Beach Pool (Dark Blue 3-4 Years)
Sonic The Hedgehog£11.734.3★
What buyers say about sonic costume
What buyers praise and complain about, mined from review topics.What buyers love
“Great Quality Sonic Onesie – Perfect for Little Fans”
“Nice good size”
“Fun for a stag party”
“The material is soft”
“comfortable”
“it was worth the money”
“The colours are very bright”
“It also washes well”
“the design looks brilliant”
“Its also very easy to put on”
What buyers complain about
“Comes up small”
“Didn't last long”
“Very poor quality”
“Bad seams”
“sadly its the same on both so assuming its a printing error”
“Material is thin”
Top return reasons
Common questions
- Is sonic costume profitable to sell on Amazon United Kingdom?
- The niche generates £19K/yr across 39 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -84.8%. Flapen's verdict: Skip it (33/100).
- How competitive is the sonic costume niche?
- 6 brands and 31 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in sonic costume?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.9%.
- When does demand for sonic costume peak?
- Demand peaks in Mar–Oct; the busiest month runs 14.5× the quietest.
- What does it cost to enter the sonic costume niche?
- Listings span £10.66–£35.49; the average listing price is £17.76 (sweet spot $15–$100). The average incumbent carries 590 reviews — the moat a new listing must climb.