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

The niche generates $10K/yr across 32 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -4.3%. Flapen's verdict: Skip it (44/100).

How competitive is the transportation birthday party supplies niche?

25 brands and 29 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 51% of demand.

What do buyers complain about in transportation birthday party supplies?

Top complaints mined from reviews: Inflation/Deflation, Quality-Overall, Size-Overall. The return rate is 3.6%.

When does demand for transportation birthday party supplies peak?

Demand peaks in Aug–Sep–Oct; the busiest month runs 3.2× the quietest.

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

Listings span $4.30–$25.53; the average listing price is $12.80 (sweet spot $15–$100). The average incumbent carries 265 reviews — the moat a new listing must climb.

transportation birthday party supplies

Skip it

A small market ($10K/yr) — this niche doesn't clear our bar today.

Review moat

Great265.03

avg incumbent reviews — the moat a new listing must climb

Brand share

Great51%

top-5 brand share — no brand owns this niche

Competition

Good46%

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

Avg price

Good$12.80

avg listing price — sweet spot $15–$100

Conversion

Good4.3%

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

Price range

Good$4.30–$25.53

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

Returns

Okay3.6%

return rate — above 5% kills the launch gate

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-4.3%

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

Market size

Bad$10K

$10K/yr · 18K searches

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, transportation birthday party supplies is a $10K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 44/100.

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

transportation birthday party supplies market data

Units sold / yr: 500–750; avg 0–100/product
Revenue / yr: $6K–$10K; units × avg price
Conversion rate: 4.3%
Avg BSR: #3,535
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 8.0%
Avg brand age: 28 months
Avg seller age: 215 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 falling

Sellers

Top-5 brand share

51%

Top 20: 96%

Top-5 click share

46%

Top 20: 88%

Open market

44%

FVABO14%
Hooqict11%
generic9%
HAKOTI9%
Lebeili8%
HaPiBiDesign5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.3% search growth over the last 90 days.

Peak months: Aug, Sep, Oct · busiest ÷ quietest = 3.2×

Open Trend

Top transportation birthday party supplies search terms

vehicle birthday party decorations7K/yr -8.8%3.3% conv.
transportation birthday5K/yr +12.5%1.5% conv.
transportation party decorations4K/yr -19.5%2.0% conv.
transportation birthday party decorations2K/yr +27.0%1.9% conv.
transportation birthday party supplies573/yr +2.3%2.2% conv.

All search terms

Top transportation 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

FVABO Transportation Birthday Decorations Traffic Transportation Party Supplies Tableware Plate Napkin Cup Cutlery Tablecloth Banner Truck Car Construction Vehicle Party Decorations Serve 24

FVABO$21.294.7★23 rev

Hooqict Happy Birthday Banner Transportation Birthday Decorations Car Train Truck Bus Excavator Traffic Party Banner Garland Sign for Kids Boys 1st 2nd 3rd Transportation Vehicle Theme Birthday Party Supplies

Hooqict$5.454.8★625 rev

213Pcs Transportation Birthday Decorations Serves 25 Guests Cars Birthday Decorations Include Banner Plates Tablecloth and Balloons Truck Party Supplies for Boy

generic$25.294.3★40 rev

12pcs Transportation Truck Plane School Bus Fire Truck Police Car Ship Ambulance Submarine Birthday Number Foil Balloon for Transportation 2nd Birthday Vehicles Theme Party Supplies Decorations (2nd)

Lebeili$9.894.4★202 rev

Transportation Birthday Party Supplies 142Pcs Transportation Paper Plates and Napkins Set for Table Decorations Truck Theme Party Decorations for Boy Birthday Baby Shower Party

HAKOTI$19.264.7★934 rev

Newest

by launch date

48Pcs Transportation Birthday Party Plates and Napkins for Kids Baby Shower Tableware Transport Vehicle Supplies Truck Themed Birthday Party Decorations

Esyzpesai$11.645 rev

7mo ago

Hooqict$5.45625 rev

8mo ago

Cheerland Transportation Birthday Decorations Transportation Banner Classroom Decorations Bulletin Board Transport Themed Banners School Bus Boy Truck Busy Town Road Hanging Party Decor Supplies 2Pcs

Cheerland$12.774 rev

9mo ago

FVABO Transportation Birthday Party Decorations Tablecloth 3pcs Disposable Truck Car Construction Vehicle Theme Traffic Transportation Party Supplies Table Cover for Birthday Baby Shower 86in x 55in

FVABO$6.615 rev

1y ago

3Pcs Transportation Tablecloth Plastic Transportation Birthday Decorations Vehicle Tablecloth Rectangle Truck Table Cloth Cars Party Decorations for Boys Kids Birthday Party Baby Shower 51.2 x 87

Juweked$9.767 rev

1y ago

What buyers say about transportation birthday party supplies

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

What buyers love

Quality-Overall30%

“Solid quality for cake plates”

Color13%

“the colors are bright”

Size-Overall11%

“the cups were a good size”

Durability8%

“It looks sturdy enough for multiple uses”

Design-Overall5%

“Cute Design”

Inflation/Deflation5%

“easy to inflate”

Fun/Entertainment Experience4%

“The kids loved it, and it made the classroom look festive and fun”

Gifting Purpose4%

“Perfect addition to my sons birthday party”

Adhesion/Stickiness4%

“These stick on easy”

Value For Money3%

“is very affordable”

What buyers complain about

Inflation/Deflation32%

“it takes less than 2 hours for them to become not fully inflated”

Quality-Overall18%

“The table cloth is the worst quality”

Size-Overall14%

“Very small in size”

Smell14%

“they smell extremely toxic”

Material Quality7%

“I guess the material in these isn't that good”

Value For Money7%

“I wouldn't pay even $1 for this tablecloth”

Thickness7%

“Its a bit thin”

Top return reasons

Size-Overall38%

Value For Money14%

Color8%

Quality-Overall8%

Smell6%

Advertised Vs Actual Product5%

Material Quality4%

Defective Material/Parts3%

Print Quality2%

Assembly/Installation2%

Common questions

Is transportation birthday party supplies profitable to sell on Amazon United States?: The niche generates $10K/yr across 32 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -4.3%. Flapen's verdict: Skip it (44/100).
How competitive is the transportation birthday party supplies niche?: 25 brands and 29 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 51% of demand.
What do buyers complain about in transportation birthday party supplies?: Top complaints mined from reviews: Inflation/Deflation, Quality-Overall, Size-Overall. The return rate is 3.6%.
When does demand for transportation birthday party supplies peak?: Demand peaks in Aug–Sep–Oct; the busiest month runs 3.2× the quietest.
What does it cost to enter the transportation birthday party supplies niche?: Listings span $4.30–$25.53; the average listing price is $12.80 (sweet spot $15–$100). The average incumbent carries 265 reviews — the moat a new listing must climb.