Is sprunki birthday decorations profitable to sell on Amazon United States?

The niche generates $75K/yr across 18 tracked products. 1 of 11 products launched in the last 360 days are still selling. 90-day search growth is -11.4%. Flapen's verdict: Skip it (42/100).

How competitive is the sprunki birthday decorations niche?

12 brands and 15 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in sprunki birthday decorations?

Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 1.7%.

When does demand for sprunki birthday decorations peak?

Demand peaks in Mar–Aug; the busiest month runs 3.3× the quietest.

What does it cost to enter the sprunki birthday decorations niche?

Listings span $5.95–$37.80; the average listing price is $19.45 (sweet spot $15–$100). The average incumbent carries 310 reviews — the moat a new listing must climb.

sprunki birthday decorations

Skip it

A small market ($75K/yr) — this niche doesn't clear our bar today.

Avg price

Great$19.45

avg listing price — sweet spot $15–$100

Review moat

Great309.72

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.7%

return rate — above 5% kills the launch gate

Price range

Good$5.95–$37.80

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay79%

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

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Conversion

Bad2.0%

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

Market size

Bad$75K

$75K/yr · 196K searches

Growth

Bad-11.4%

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

Signals Low Review Barrier Out of Stock

According to Flapen's Amazon United States niche tracking, sprunki birthday decorations is a $75K/yr Amazon United States market (196K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Mar–Aug. Verdict: Skip it — 42/100.

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

sprunki birthday decorations market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $78K–$97K; units × avg price
Conversion rate: 2.0%
Avg BSR: #3,419
Page quality: 0%
Prime: 83%
Sponsored: 67%
Out of stock: 37.8%
Avg brand age: 24 months
Avg seller age: 174 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

17%

Generic29%
DUMBI23%
Artvibe13%
Lurevian7%
JOYIN6%
LANHYER5%
Open — no brand owns it (6 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 73 weeks — -11.4% search growth over the last 90 days.

Peak months: Mar, Aug · busiest ÷ quietest = 3.3×

Open Trend

Top sprunki birthday decorations search terms

sprunki birthday decorations113K/yr -10.7%1.4% conv.
sprunki birthday23K/yr -17.5%1.2% conv.
sprunki cake toppers11K/yr -13.6%1.7% conv.
sprunki party decorations11K/yr -4.1%1.6% conv.
sprunky birthday decorations9K/yr -13.1%1.1% conv.
sprunki balloons6K/yr +3.4%0.9% conv.
sprunki decorations6K/yr +0.5%1.0% conv.
sprunki party5K/yr +3.5%1.1% conv.
spunki birthday decorations4K/yr -2.8%1.3% conv.
sprunki cake topper4K/yr -10.4%2.4% conv.

All search terms

Top sprunki birthday decorations 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★)1 product missing review or click data not plotted

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

DUMBI 229 PCS Birthday Party Supplies Set Serves 20 Plates Cups Balloons Banner Tablecloth Cake Topper Napkins & Stickers Complete Kids Birthday Decorations Kit

DUMBI$31.284.8★67 rev

Cartoon Birthday Party Supplies Cartoon Party Decorations Set Include Banner Backdrop Cake Toppers Balloons for Boys Girls Theme Party

Generic$16.593.5★16 rev

Cartoon Birthday Party Decorations | Includes Happy Birthday Banner TableCloth Cake Cupcake Toppers Latex Baloons Hanging Swirls | Cartoon Party Supplies for Adults and Kids

Artvibe$27.744.0★1 rev

Sprunkie Birthday Party Supply Decoration Banner Cake Topper Cupcake Toppers Backdrop and Balloons Multicolors

Generic$37.804.6★42 rev

JOYIN 12-Pack 12 Beach Balls - Bulk Classic Beachball Inflatable Swimming Pool Toys for Games Adults Kids Birthday Party Supplies Combo Set Rainbow Color Blow Up Luau Decorations Favors Gifts (12)

JOYIN$9.914.5★3,649 rev

Newest

by launch date

Sprunkie Birthday Decorations | Includes Sprunky Happy Birthday Banner TableCloth Cake Cupcake Toppers Latex Baloons Hanging Swirls | Birthday Party Supplies for Adults and Kids

Artvibe$23.160 rev

2w ago

Sprunkie Birthday Party Decorations Sprunkie Game Happy Birthday Banner Cartoon Party Decorations for Men Women Kids Boy Girl Party Supplies

pouyt&cjlk$10.182 rev

2mo ago

Cartoon Birthday Party Decorations | Includes Happy Birthday Banner TableCloth Cake Cupcake Toppers Latex Baloons Hanging Swirls | Cartoon Party Supplies for Adults and Kids

Artvibe$27.741 rev

3mo ago

100Pcs Sprunki Stickers | Rhythm Box Puzzle Games Sticker | Waterproof Cartoon Vinyl Decals for Laptop Water Bottle Journal Phone Case Scrapbook Skateboard

Artvibe$11.858 rev

3mo ago

Lemoneon Steal a Brainrot Birthday Party Decorations Supplies Happy Birthday Banner Cake Cupcake Toppers Balloons Background

Lemoneon$19.859 rev

5mo ago

What buyers say about sprunki birthday decorations

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

What buyers love

Quality-Overall17%

“Excellent quality”

Fun/Entertainment Experience15%

“FUN”

Advertised Vs Actual Product14%

“As expected”

Value For Money12%

“Awesome deal”

Size-Overall12%

“They are good size”

Color5%

“Colors are nice”

Durability4%

“Quality and Durability”

Strength3%

“didnt feel flimsy when placing it”

Gifting Purpose2%

“Cool gifts”

Ease Of Use2%

“Easy to Use”

What buyers complain about

Size-Overall51%

“Small balls”

Advertised Vs Actual Product9%

“not the image”

Quality-Overall8%

“Cheap”

Defective Material/Parts3%

“the valve was malfunctioning”

Inflation/Deflation3%

“Over half the balls had holes in them and not inflatable”

Smell3%

“Smelly”

Color2%

“characters have incorrect colors”

Fun/Entertainment Experience2%

“Not fun to step on”

Print Quality2%

“The print looks faded the tshirt size was good”

Material Quality1%

“Very cheaply made”

Top return reasons

Size-Overall52%

Value For Money12%

Advertised Vs Actual Product7%

Inflation/Deflation5%

Leak-Proof4%

Quality-Overall3%

Functionality-Overall3%

Defective Material/Parts2%