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Ninjago Birthday Party Supplies

Maybe

The average product has only 37 reviews. But shoppers spend an estimated $107K a year here, so Ninjago Birthday Party Supplies is a Maybe.

Flapen Score
56
56 / 100
Top 19% of 11,240 Home & Kitchen niches · +7 vs the category median of 49
Market size
$107K/yr151K searches / yr
90-day growth
+6.9%search demand this quarter
Competition
43%top-5 click share · 21 brands · 23 sellers

Flapen Score

Ninjago Birthday Party Supplies against its category

The dotted line is the Home & Kitchen average. Past it, Ninjago Birthday Party Supplies is stronger. Inside it, weaker.

56Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Ninjago Birthday Party Supplies market on Amazon at a glance

Shoppers on Amazon United States searched for Ninjago Birthday Party Supplies 151K times last year and spent an estimated $107K. The top 5 brands take 59% of clicks. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

An estimated 4.1% of those searches ended in a purchase.

Shoppers searched for this 151K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.1% of those searches ended in a purchase. Searches in the last 90 days moved +6.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $107K a year.

Searches, last 12 months
151K
Growth, 90 days vs prior 90
+6.9%
Conversion, latest week
4.1%
Market size, estimated
$107Ka year
Peak month
September2.2× the quietest month
Top search term
ninjago birthday decorations62K searches a year

02 · Price

A sale here is worth $17.22.

Listings sell for $17.22 on average, from $8.41 to $35.33. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 100 to 250 of them. At $17.22 that is $2K to $4K a year per listing.

Average price
$17.22inside the $15 to $100 sweet spot
Price range
$8.41–$35.33
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–$4K
Returns
2.5%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

56% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 10.0% of listings are out of stock. The average listing ranks #2,747 within Party Packs. It carries 37 reviews at 4.47 stars, so a new listing needs social proof before a better product.

Sponsored listings
56%
Prime listings
97%
Out of stock, average day
10.0%
Average rank
#2,747in Party Packs
Average rating
4.47 starsAmazon United States average 4.42 stars
Average reviews
37per listing
Listings tracked
32

04 · Newcomers

4 of last year's 17 launches cleared the first-year sales bar.

17 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 32 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
17
Successful launches
4Amazon's first-year sales bar
Average brand age
32 months

Products

Top Ninjago Birthday Party Supplies products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 43% of clicks. Leaders hold, but buyers still shop past them.

Brands

21 falling

Sellers

23

Top-5 brand share

59%

Top 20: 99%

Top-5 click share

43%

Top 20: 88%

Open market

35%

  • Brand 119%
  • Brand 217%
  • Brand 39%
  • Brand 48%
  • Brand 56%
  • Brand 65%

Demand

Ninjago Birthday Party Supplies search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 2.2×

Search terms

Top Ninjago Birthday Party Supplies search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • ninjago birthday decorations62K/yr
  • lego ninjago birthday decorations17K/yr
  • ninjago birthday15K/yr
  • ninjago party decorations16K/yr
  • ninjago birthday party supplies9K/yr
  • ninjago party8K/yr
  • ninjago balloons6K/yr
  • lego ninjago party decorations6K/yr
  • ninjago party supplies7K/yr
  • ninjago decorations5K/yr

Reviews and returns

What reviews say buyers love and hate about Ninjago Birthday Party Supplies

We read the reviews and the return reasons for every product selling here.

25%of positive reviews mention “Quality-Overall”
27%of negative reviews mention “Size-Overall”
2.5%of orders come back
“A little small”
A buyer, on “Size-Overall”27% of negative reviews mention the same topic

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.

19 topics

NegativePositive

FAQ

Common Ninjago Birthday Party Supplies questions

Answered from the same tracked data.