harry potter costume accessories
Skip itA small market ($20K/yr) — this niche doesn't clear our bar today.
Avg price
Great$18.06avg listing price — sweet spot $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Price range
Good$5.22–$38.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Review moat
Good1,377.41avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Returns
Okay5.2%return rate — above 6% kills the launch gate
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-27.9%90-day search growth — must beat 0% to launch
Market size
Bad$20K$20K/yr · 42K searches
Competition
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
19 rising
Sellers
71
Top-5 brand share
65%
Open market
30%
- Harry Potter25%
- Disguise13%
- MISS FANTASY12%
- TINVSKQQKJ7%
- QAQ-COSPLAY7%
- Mzjeaziany5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 29 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MISS FANTASY Cosplay Tie for Halloween Party Unisex Adult & Kids Necktie Costume Accessory (Red and Gold)
MISS FANTASY$5.224.7★6,969 rev

Harry Potter Gryffindor Knitted Crest Scarf - Deep Red & Yellow - Embroidered House Lion Badge - 66 x 7 - Soft Winter Knit Scarf for Kids & Adults - Wizarding World Accessory
Harry Potter$23.924.8★115 rev

Harry Potter Dress Girls Clothes Gryffindor Hedwig Owl Print Short Sleeves Sun Dress Red Plaid Summer Casual for Teen Girls Size 7-8Y
Harry Potter$19.774.8★27 rev

TINVSKQQKJ Halloween Wizard Costume Accessories Set Wizard Wand and Tie and Glasses Magic Novelty
TINVSKQQKJ$11.104.9★29 rev

Harry Potter Hermione Granger Time Turner Necklace Officially Licensed Harry Potter Accessory
Disguise$11.044.0★449 rev
Newest
by launch date
Halloween Wizard Costume Accessories Set - Glasses Tie Wand and Scarf & 6pcsTattoos for Adults Halloween Cosplay Dress-up Party
Mzjeaziany$13.902 rev

QAQ-COSPLAY Wizard Costume Accessories for Kids Teens - Wand Scarf Tie and Wizard Hat for Halloween Cosplay Party Supplies
QAQ-COSPLAY$19.5035 rev

Alaxciax World Book Day Costume Accessories Halloween Cosplay Accessories with Scarf Tie Glasses Wand Cosplay Costume for Women Men for School Event Book Character Dress Up Halloween Yellow
Alaxciax$16.2527 rev

Harry Potter Gryffindor Knitted Crest Scarf - Deep Red & Yellow - Embroidered House Lion Badge - 66 x 7 - Soft Winter Knit Scarf for Kids & Adults - Wizarding World Accessory
Harry Potter$23.92115 rev

wonshia Wizard Costume Scarf with Cosplay Black Glasses Frame for Halloween Party Witch Cosplay Accessories
wonshia$8.3852 rev
Trending
90-day click momentum
Halloween Wizard Costume Accessories Set - Glasses Tie Wand and Scarf & 6pcsTattoos for Adults Halloween Cosplay Dress-up Party
Mzjeaziany$13.904.5★

Harry Potter Pajamas with Bamboo Viscose Hogwarts Castle Classic Boys/Girls Short Sleeve Shirt and Pant Yellow from Toddler to Big Kid Size 8 Years
Harry Potter$27.804.4★

Harry Potter Gryffindor Knitted Crest Scarf - Deep Red & Yellow - Embroidered House Lion Badge - 66 x 7 - Soft Winter Knit Scarf for Kids & Adults - Wizarding World Accessory
Harry Potter$23.924.8★

Harry Potter Dress Girls Clothes Gryffindor Hedwig Owl Print Short Sleeves Sun Dress Red Plaid Summer Casual for Teen Girls Size 7-8Y
Harry Potter$19.774.8★

Harry Potter Dress | Girls Summer Dress Girls Dresses Size 8 Red
Harry Potter$20.644.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -27.9% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 30.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality for Harry Potter world”
“Great fit”
“Cute gift”
“lots of fun”
“Worth every cent”
“Exactly as described”
“The material is soft”
“Very sturdy”
“comfortable fabric that looks authentic”
“Design on the bag is cool”
What buyers complain about
“the hat is a bit small”
“buy a better quality costume from the get go”
“Came apart multiple times ongoing”
“Unfortunately it just felt and looked cheap”
“super extra long”
“She is allergic to a lot of earrings”
“Misleading”
“Uncomfortable”
“The stitching looks rushed and low quality, which makes the costume look worn before even being used”
“Not worth the money”