Is ninja turtle birthday party supplies profitable to sell on Amazon United States?

The niche generates $549K/yr across 39 tracked products. 8 of 17 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Worth a look (56/100).

How competitive is the ninja turtle birthday party supplies niche?

26 brands and 44 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in ninja turtle birthday party supplies?

Top complaints mined from reviews: Durability, Adhesion/Stickiness, Smell. The return rate is 2.3%.

When does demand for ninja turtle birthday party supplies peak?

Demand peaks in Aug–Sep; the busiest month runs 2.4× the quietest.

What does it cost to enter the ninja turtle birthday party supplies niche?

Listings span $5.53–$34.91; the average listing price is $16.98 (sweet spot $15–$100). The average incumbent carries 352 reviews — the moat a new listing must climb.

ninja turtle birthday party supplies

Worth a look

Shows a thin review moat (352 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Review moat

Great352.33

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$16.98

avg listing price — sweet spot $15–$100

Competition

Great38%

top-5 click share — an open shelf

Price range

Good$5.53–$34.91

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good65%

top-5 brand share — brands hold most of the demand

Returns

Good2.3%

return rate — above 5% kills the launch gate

Market size

Good$549K

$549K/yr · 762K searches

Conversion

Good4.2%

search→purchase rate — share of searches ending in a sale

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.8%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, ninja turtle birthday party supplies is a $549K/yr Amazon United States market (762K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 56/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

ninja turtle birthday party supplies market data

Units sold / yr: 25K–30K; avg 250–500/product
Revenue / yr: $425K–$509K; units × avg price
Conversion rate: 4.2%
Avg BSR: #1,324
Page quality: 0%
Prime: 97%
Sponsored: 92%
Out of stock: 3.2%
Avg brand age: 30 months
Avg seller age: 152 days

Competition & brand share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

Brands

26 falling

Sellers

Top-5 brand share

65%

Top 20: 96%

Top-5 click share

38%

Top 20: 82%

Open market

32%

Unique31%
LANFUBEISI13%
Generic9%
Nickelodeon6%
Eywusco5%
lasuroa4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.8% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 2.4×

Open Trend

Top ninja turtle birthday party supplies search terms

ninja turtle birthday decorations321K/yr -10.0%2.7% conv.
teenage mutant ninja turtles birthday62K/yr +14.6%2.4% conv.
ninja turtles birthday decorations58K/yr -8.9%2.3% conv.
tmnt birthday party decorations55K/yr -7.4%2.5% conv.
ninja turtle party decorations41K/yr -9.6%2.6% conv.
ninja turtle birthday28K/yr -3.2%1.5% conv.
ninja turtle pinata20K/yr +13.4%1.2% conv.
ninja turtle party22K/yr -6.9%1.6% conv.
ninja turtle backdrop19K/yr -9.9%1.1% conv.
ninja turtle decorations18K/yr +8.8%2.2% conv.

All search terms

Top ninja turtle birthday party supplies 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ninja Turtle Party Decorations - 16 Guests - Ninja Turtle Plates and Napkins Tablecloth Banner Teenage Mutant Ninja Turtles Party Supplies Checklist - TMNT Mutant Mayhem Movie

Unique$31.174.8★294 rev

Turtle Theme Birthday Party Decorations Set - Pizza Theme Party Supplies

Generic$23.675.0★4 rev

104pcs Birthday Decorations Tableware Set for 20 Guests Include Banner Paper Plates of 2 Size Napkins and Paper Cups Cake Topper Balloons and Plastic Tablecloth

LANFUBEISI$24.464.7★43 rev

171pcs Turtle Birthday Party Supplies Include Plates Napkins Cups Tablecloths Banner Forks Knives Spoons for Kids Birthday Party Decorations Disposable Decor Paper Tableware Set Serves 24 People

Eywusco$25.024.4★25 rev

Birthday Decorations Set Include Banner and Hanging Swirls Green Happy Birthday Banner Pizza and Turtle Pattern Double-sided Cutouts with Hanging Swirls Indoor Outdoor

LANFUBEISI$14.264.7★32 rev

Newest

by launch date

Turtle Theme Birthday Party Decorations Set - Pizza Theme Party Supplies

Generic$23.674 rev

4mo ago

Teenage Mutant Ninja Turtle Birthday Decorations for Party | Serves 16 Guests | Balloons Banner Tablecloth Masks Plates Napkins Door Poster Backdrop | Officially Licensed

Unique$32.8942 rev

6mo ago

KEASKELL 3 Pcs Turtle Birthday Party Tablecloths Decorations Disposable Cartoon Turtle Table Cloths Plastic Rectangle Table Covers for Cartoon Theme Birthday Party Supplies 54x108 Inches

KEASKELL$9.5712 rev

7mo ago

140 PCS Turtle Birthday Party Decorations Set - Turtle Cartoon Theme Plates Napkins Disposable Paper Cups Tableware Set Birthday Party Supplies for Boys Girls

SIHAOPTY$17.499 rev

7mo ago

ALL-IN-1 Cartoon Turtle Balloon Arch Kit with BONUS Headbands & PIzza Foil Balloons for Birthday Party Decorations

SHERYL DECOR$14.1323 rev

8mo ago

What buyers say about ninja turtle birthday party supplies

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall20%

“the balloons feel high quality”

Value For Money12%

“It most definitely was worth the price”

Advertised Vs Actual Product11%

“Exactly as pictured”

Color11%

“vibrant colors”

Size-Overall6%

“The size was perfect for what I needed it for”

Strength5%

“Pretty sturdy”

Design-Overall4%

“- Looks very nice”

Assembly/Installation4%

“Easy set up”

Ease Of Use4%

“Easy to use”

Durability3%

“Very durable”

What buyers complain about

Durability12%

“it just ended up ripping”

Adhesion/Stickiness10%

“Both didnt stick”

Smell6%

“It was such an over powering chemical smell i had to leave them outside to air out over night”

Value For Money5%

“Seemed overpriced”

Size-Overall5%

“The masks were pretty big”

Advertised Vs Actual Product5%

“Reviews are misleading”

Quality-Overall5%

“Cheap and Poorly Presented”

Thickness5%

“One thing to know is the balloon thickness is not the best”

Strength5%

“Boards are flimsy”

Taste-Overall3%

“Taste gross”

Top return reasons

Size-Overall27%

Value For Money17%

Color13%

Advertised Vs Actual Product7%

Adhesion/Stickiness6%

Quality-Overall4%

Defective Material/Parts4%

Material Quality4%

Length2%

Functionality-Overall2%

Common questions

Is ninja turtle birthday party supplies profitable to sell on Amazon United States?: The niche generates $549K/yr across 39 tracked products. 8 of 17 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Worth a look (56/100).
How competitive is the ninja turtle birthday party supplies niche?: 26 brands and 44 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in ninja turtle birthday party supplies?: Top complaints mined from reviews: Durability, Adhesion/Stickiness, Smell. The return rate is 2.3%.
When does demand for ninja turtle birthday party supplies peak?: Demand peaks in Aug–Sep; the busiest month runs 2.4× the quietest.
What does it cost to enter the ninja turtle birthday party supplies niche?: Listings span $5.53–$34.91; the average listing price is $16.98 (sweet spot $15–$100). The average incumbent carries 352 reviews — the moat a new listing must climb.