Is fast one birthday decorations for boys profitable to sell on Amazon United States?

The niche generates $133K/yr across 63 tracked products. 2 of 19 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Worth a look (51/100).

How competitive is the fast one birthday decorations for boys niche?

54 brands and 57 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 31% of demand.

What do buyers complain about in fast one birthday decorations for boys?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Adhesion/Stickiness. The return rate is 3.9%.

When does demand for fast one birthday decorations for boys peak?

Demand peaks in Jan; the busiest month runs 2.3× the quietest.

What does it cost to enter the fast one birthday decorations for boys niche?

Listings span $5.01–$39.40; the average listing price is $18.52 (sweet spot $15–$100). The average incumbent carries 286 reviews — the moat a new listing must climb.

fast one birthday decorations for boys

Worth a look

Shows no brand lock-in (top 5 brands take 31% of clicks), but soft demand (-17.9% this quarter) keeps it on the watch list.

Brand share

Incredible31%

top-5 brand share — no brand owns this niche

Competition

Great28%

top-5 click share — an open shelf

Review moat

Great286.06

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$18.52

avg listing price — sweet spot $15–$100

Price range

Good$5.01–$39.40

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

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Market size

Okay$133K

$133K/yr · 325K searches

Conversion

Okay2.2%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-17.9%

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

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, fast one birthday decorations for boys is a $133K/yr Amazon United States market (325K searches/yr). The top 5 brands hold 31% of demand. Demand peaks in Jan. Verdict: Worth a look — 51/100.

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

fast one birthday decorations for boys market data

Units sold / yr: 5K–6K; avg 0–100/product
Revenue / yr: $93K–$111K; units × avg price
Conversion rate: 2.2%
Avg BSR: #3,168
Page quality: 0%
Prime: 100%
Sponsored: 97%
Out of stock: 4.5%
Avg brand age: 22 months
Avg seller age: 179 days

Competition & brand share

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

54 falling

Sellers

Top-5 brand share

31%

Top 20: 70%

Top-5 click share

28%

Top 20: 64%

Open market

65%

KOTLMIGHT7%
Fiesec7%
HYCSANBAO6%
Mpanwen6%
LASILE5%
Fexivo3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -17.9% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 2.3×

Open Trend

Top fast one birthday decorations for boys search terms

fast one birthday decorations for boys148K/yr -20.3%1.1% conv.
first lap around the track birthday decorations48K/yr -12.5%1.3% conv.
fast one birthday decorations41K/yr -11.7%1.1% conv.
fast one23K/yr -7.9%0.6% conv.
fast one birthday17K/yr -10.5%0.8% conv.
1st lap around the track birthday9K/yr -14.7%0.9% conv.
cars 1st birthday decorations6K/yr -11.9%0.4% conv.
fast one backdrop8K/yr -16.0%0.2% conv.
1st birthday race car theme7K/yr -16.3%1.1% conv.
cars first birthday decorations for boy5K/yr -9.6%0.5% conv.

All search terms

Top fast one birthday decorations for boys 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

KOTLMIGHT Fast One Birthday Decorations for Boys 1st Race Car Theme Party Decor Supplies for Baby - Backdrop Photo Banner Tablecloth Fast One Centerpieces Flags Fans Pompoms Wall Signs

KOTLMIGHT$26.474.6★114 rev

Fast One Birthday Decorations for Boys Race Car 1st Birthday Decoration First Bday Party Supplies with Backdrop Balloon Arch Banner Boxes Crown Tablecloth Cake Topper

HYCSANBAO$34.014.9★61 rev

Fiesec Fast One Birthday Decorations for Boys 1st Birthday Decorations Boy Vintage Car Themed Backdrop Balloon Banner Boxes Crown Poster for Retro Blue First Party Supplies

Fiesec$29.904.8★157 rev

Racing Car Themed Birthday Candles Number 1 Checkered Candles Black & White Checkered Cake Topper Cool Racing Themed Party Supplies Special Candle

LASILE$5.014.8★260 rev

Fexivo 256pcs Fast One Birthday Decorations for Boys All-in-1 Supplies Pack with 20pcs Vintage Race Car and Car Themed Plates Napkins 2pcs Tablecloth for Fast One Birthday Decorations

Fexivo$30.914.7★286 rev

Newest

by launch date

Fast One Birthday Decorations for Boys Fast One Birthday Decorations with Race Car Backdrop 1st Birthday High Chair Banner Plates Napkins Balloon Arch Box foR 2nd Birthday Decor for Boys

HAKOTI$28.440 rev

1mo ago

Mpanwen Fast One Birthday Decorations for Boys 143Pcs Race Car Racing 1st Party Decor for 1 Year Old Baby Boy - Backdrop Balloons Banner Hanging Swirls Wall Signs

Mpanwen$16.752 rev

6mo ago

SNLN 185 Pcs Fast One Birthday Decorations for Boys Blue Black Race Car Balloon Arch Kit with 3D Racing Car Number 1 Fast One Tire Flag Checkered Foil Balloons for 1st Cars Birthday Decorations

SNLN$14.8412 rev

6mo ago

Naozinebi Fast One First Year Photo Board Race Car 1st Birthday Party Decoration Wooden Board 12 Monthly Milestone Picture Frame 1st Birthday Photo Banner for Baby Boy Keepsake Gift (Fit 2x2.8in Pic)

Naozinebi$13.95323 rev

8mo ago

Mpanwen Fast One Birthday Decorations for Boys 143Pcs Race Car Racing 1st Party Decor Supplies for Baby - Banner Cake Toppers Balloons Tablecloth Centerpieces Crown Poster Boxes Wall Signs

Mpanwen$29.8522 rev

10mo ago

What buyers say about fast one birthday decorations for boys

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

What buyers love

Quality-Overall25%

“Everything was great quality, super cute, and easy to set up”

Value For Money11%

“Worth it”

Advertised Vs Actual Product10%

“Exactly as described”

Assembly/Installation8%

“Assembly was simple”

Size-Overall7%

“The hat fit comfortably”

Design-Overall6%

“It looked perfect”

Strength5%

“Solid cool board”

Color4%

“The colors are bright”

Durability4%

“Pretty durable”

Adhesion/Stickiness2%

“Adhesive strips included kept it in place even after multiple days”

What buyers complain about

Size-Overall19%

“Bigger than expected”

Quality-Overall16%

“Bad quality”

Adhesion/Stickiness9%

“I didnt dare use the adhesive”

Assembly/Installation6%

“I, unfortunately, wasnt really able to put it together,”

Inflation/Deflation5%

“Balloons dont stay blown up deflate right away”

Value For Money4%

“.Not a huge deal, just strange”

Color4%

“And its not like an orange looking red”

Thickness3%

“Cheap thin and not at all what i thought”

Durability2%

“Easily breakable”

Functionality-Overall2%

“Balloons do not work all stuck together”

Top return reasons

Size-Overall36%

Value For Money9%

Advertised Vs Actual Product8%

Material Quality8%

Adhesion/Stickiness8%

Quality-Overall7%

Color5%

Strength3%

Thin2%