Ninja Birthday Party Decorations
MaybeThe average product has only 101 reviews. But demand is soft, at -16.4% this quarter, so Ninja Birthday Party Decorations is a Maybe.
- Flapen Score
- 50 / 100Top 43% of 11,240 Home & Kitchen niches · +1 vs the category median of 4950
- Market size
- $93K/yr121K searches / yr
- 90-day growth
- -16.4%search demand this quarter
- Competition
- 41%top-5 click share · 26 brands · 27 sellers
Flapen Score
Ninja Birthday Party Decorations against its category
The dotted line is the Home & Kitchen average. Past it, Ninja Birthday Party Decorations is stronger. Inside it, weaker.
Market
The Ninja Birthday Party Decorations market on Amazon at a glance
Shoppers on Amazon United States searched for Ninja Birthday Party Decorations 121K times last year and spent an estimated $93K. The top 5 brands take 55% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 4.3% of those searches ended in a purchase.
Shoppers searched for this 121K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.3% of those searches ended in a purchase. Searches in the last 90 days moved -16.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $93K a year.
- Searches, last 12 months
- 121K
- Growth, 90 days vs prior 90
- -16.4%
- Conversion, latest week
- 4.3%
- Market size, estimated
- $93Ka year
- Peak month
- September1.9× the quietest month
- Top search term
- ninja birthday party decorations39K searches a year
02 · Price
A sale here is worth $18.04.
Listings sell for $18.04 on average, from $6.92 to $40.19. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 100 to 250 of them. At $18.04 that is $2K to $5K a year per listing.
- Average price
- $18.04inside the $15 to $100 sweet spot
- Price range
- $6.92–$40.19
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 3.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
91% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.3% of listings are out of stock. The average listing ranks #2,188 within Party Packs. It carries 101 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 91%
- Prime listings
- 100%
- Out of stock, average day
- 5.3%
- Average rank
- #2,188in Party Packs
- Average rating
- 4.63 starsAmazon United States average 4.42 stars
- Average reviews
- 101per listing
- Listings tracked
- 35
04 · Newcomers
2 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 34 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 8
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 34 months
Products
Top Ninja Birthday Party Decorations products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Ninja Birthday Party Decorations Tableware 193pcs Ninja Warrior Party Decorations Plates and Napkins Cups Tablecloths Cake Topper Balloon for Ninja Party Supplies Serves 24
- Price
- $25.69
- Rating
- 4.6/5
- Reviews
- 16
- Age
- 7mo ago

162 Pcs Ninja Birthday Party Decoration Set Ninja Warrior Party Supplies Kit Includes Karate Master Tableware Tablecloth Hanging Banners Foil Swirls Cutouts Balloons for Kids Boys Karate Party Favors
- Price
- $25.86
- Rating
- 4.7/5
- Reviews
- 157
- Age
- 3y ago

98 Pieces Ninja Birthday Party Decorations Ninja Warrior Tableware Set Karate Plates Napkins Tablecloth Ninja Master Birthday Party Supplies Kit Table Cover Dinnerware Party Favors
- Price
- $20.80
- Rating
- 4.7/5
- Reviews
- 775
- Age
- 3y ago

Eerrhhaq 12 Pcs Inflatable Ninja Samurai Sword Inflated Katana Sword Toy Blow Up Ninja Swords for Party Favors Cosplay Samurai Theme Party
- Price
- $13.47
- Rating
- 4.2/5
- Reviews
- 129
- Age
- 2y ago

Ninja Birthday Party Decoration Tableware Set 142pcs Plates and Napkins Supplies Include Warrior Plates Napkin Cups Tablecloth Banner for Ninja Master Birthday Decor
- Price
- $23.24
- Rating
- 4.8/5
- Reviews
- 66
- Age
- 2y ago
Trending
estimated 90-day click momentum
NeoRov 301 Pcs Ninja Birthday Party Decorations Tableware Balloon Arch Set
- Price
- $29.00
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 3mo ago

Bafeil 3 Pcs Ninja Birthday Party Porch Banner with Fringe Backdrop Curtains Warrior Theme Party Decorations Ninja Door Hanging Banner Party Supplies for Karate Master Birthday Photo Booth Props
- Price
- $15.40
- Rating
- 4.8/5
- Reviews
- 14
- Age
- 7mo ago

Holkcog Ninja Birthday Party Decorations Martial Arts Karate Kung Fu Themed Party Banner Hanging Decor Spirals Swirls Bollons Red and Black for Party Decor Cosplay Samurai Theme Baby Shower Party
- Price
- $18.74
- Rating
- 5.0/5
- Reviews
- 12
- Age
- 8mo ago

Ninja Birthday Party Decorations Tableware 193pcs Ninja Warrior Party Decorations Plates and Napkins Cups Tablecloths Cake Topper Balloon for Ninja Party Supplies Serves 24
- Price
- $25.69
- Rating
- 4.6/5
- Reviews
- 16
- Age
- 7mo ago

ZOIIWA 48Pcs Karate Headbands Birthday Party Favors Red Karate Themed Headbands Party Decorations for Kids Boys Girls Adults Birthday Party Supplies Costumes Decorations and Gifts Adjustable Size
- Price
- $12.04
- Rating
- 4.4/5
- Reviews
- 54
- Age
- 2y ago
Newest
by launch date
NeoRov 301 Pcs Ninja Birthday Party Decorations Tableware Balloon Arch Set
- Price
- $29.00
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 3mo ago

Ninja Birthday Party Decorations Tableware 193pcs Ninja Warrior Party Decorations Plates and Napkins Cups Tablecloths Cake Topper Balloon for Ninja Party Supplies Serves 24
- Price
- $25.69
- Rating
- 4.6/5
- Reviews
- 16
- Age
- 7mo ago

Bafeil 3 Pcs Ninja Birthday Party Porch Banner with Fringe Backdrop Curtains Warrior Theme Party Decorations Ninja Door Hanging Banner Party Supplies for Karate Master Birthday Photo Booth Props
- Price
- $15.40
- Rating
- 4.8/5
- Reviews
- 14
- Age
- 7mo ago

Holkcog Ninja Birthday Party Decorations Martial Arts Karate Kung Fu Themed Party Banner Hanging Decor Spirals Swirls Bollons Red and Black for Party Decor Cosplay Samurai Theme Baby Shower Party
- Price
- $18.74
- Rating
- 5.0/5
- Reviews
- 12
- Age
- 8mo ago

12 Pack Ninja Party Favors for Kids - Individually Wrapped Paint Your Own Wooden Craft Kits Boy Birthday Decorations & Kidz Party Supplies 4-8 8-12 Goodie Bag Stuffers
- Price
- $19.82
- Rating
- 4.6/5
- Reviews
- 48
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
26 falling
Sellers
27
Est. top-5 brand share
55%
Top 20: 95%
Est. top-5 click share
41%
Top 20: 84%
Open market
41%
- Bezkega22%
- Tevxj15%
- ZOIIWA7%
- ZHUOWEISM6%
- Eerrhhaq5%
- BOIKOKY5%
Demand
Ninja Birthday Party Decorations search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.9×
Search terms
Top Ninja Birthday Party Decorations search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- ninja birthday party decorations39K/yr
- ninja party decorations24K/yr
- ninja party12K/yr
- ninja birthday9K/yr
- ninja birthday decorations7K/yr
- ninja decorations5K/yr
- ninja kids birthday party decorations6K/yr
- ninja birthday party6K/yr
- ninja party supplies5K/yr
- ninja kidz party decorations8K/yr
Reviews and returns
What reviews say buyers love and hate about Ninja Birthday Party Decorations
We read the reviews and the return reasons for every product selling here.
“most of them deflated with play”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Ninja Birthday Party Decorations questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









