Is mario birthday shirt profitable to sell on Amazon United States?

The niche generates $22K/yr across 50 tracked products. 1 of 10 products launched in the last 360 days are still selling. 90-day search growth is +38.3%. Flapen's verdict: Skip it (49/100).

How competitive is the mario birthday shirt niche?

21 brands and 19 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 81% of demand.

What do buyers complain about in mario birthday shirt?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 2.4%.

When does demand for mario birthday shirt peak?

Demand peaks in Apr–May; the busiest month runs 3.4× the quietest.

What does it cost to enter the mario birthday shirt niche?

Listings span $6.18–$40.96; the average listing price is $17.79 (sweet spot $15–$100). The average incumbent carries 303 reviews — the moat a new listing must climb.

Mario Birthday Shirt

Skip it

A small market ($22K/yr) — this niche doesn't clear our bar today.

Review moat

Great302.56

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.79

avg listing price — sweet spot $15–$100

Price range

Great$6.18–$40.96

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

Competition

Good40%

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

Returns

Good2.4%

return rate — above 5% kills the launch gate

Growth

Good+38.3%

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

Brand share

Okay81%

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

Conversion

Okay2.1%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$22K

$22K/yr · 60K searches

Signals Low Review Barrier

Is mario birthday shirt profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mario birthday shirt is a $22K/yr Amazon United States market (60K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Apr–May. Verdict: Skip it — 49/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

mario birthday shirt market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $22K–$27K; units × avg price
Conversion rate: 2.1%
Avg BSR: #4,711
Page quality: 0%
Prime: 88%
Sponsored: 76%
Out of stock: 2.5%
Avg brand age: 27 months
Avg seller age: 173 days

Competition: brands, sellers & click share

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

40%

Top 20: 75%

Open market

16%

Hewtwerck27%
Super Mario21%
MorgaLithon17%
Isaac Morris Limited13%
BLNKLV3%
Lil' Daisy store3%
Open — no brand owns it (15 brands, 16%)

mario birthday shirt demand & seasonality

Weekly Amazon search volume, last 104 weeks — +38.3% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 3.4×

Open Trend

Top mario birthday shirt search terms shoppers use

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

mario birthday shirt31K/yr +42.9%1.4% conv.
super mario birthday shirt19K/yr +37.6%1.3% conv.
mario birthday shirt 64K/yr +29.6%1.4% conv.
mario 5th birthday shirt3K/yr +15.9%3.5% conv.
mario birthday shirt 53K/yr +35.7%4.5% conv.

All search terms

Top mario birthday shirt products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Hewtwerck Super Soft Birthday Boy Short Sleeve T-Shirt Gifts for Boys Birthday Party (US Age 3 Years 4 Years Red)

Hewtwerck$15.914.7★49 rev

Hewtwerck Super Soft Birthday Boy Short Sleeve T-Shirt Gifts for Boys Birthday Party (US Age 5 Years 6 Years Red)

Hewtwerck$15.734.7★49 rev

Mom T-Shirt - Mommy Shirts - Mother Shirt - Mothers Day Shirt for Moms - Gifts for Mom on Mothers Day Birthday Christmas (Black L)

MorgaLithon$17.924.6★153 rev

Super Mario and Luigi 5th Birthday Portrait Tees T Shirts for Men Women Kids

Super Mario$18.864.7★532 rev

Game On Little Boys T Shirt 5/6 Blue

Isaac Morris Limited$17.864.6★34 rev

Newest

by launch date

2026 Super Game Movies Mario Galaxy T-Shirt for Men Women Kids Classic Game Movies Mario Graphic Tee Soft Cotton Casual Shirt Gamer Gift Tee

LEKAI$14.7715 rev

3mo ago

Isaac Morris Limited Mario Big Boys Graphic T Shirt 8 Cream

Isaac Morris Limited$12.8029 rev

4mo ago

Isaac Morris Limited Mario Little Boys Graphic T Shirt Blue 5/6

Isaac Morris Limited$12.9467 rev

6mo ago

Family Personalized Birthday Party Inspired Matching Custom T-Shirts (US Alpha Small XX-Large Regular Twin Brothers World)

BLNKLV$19.4622 rev

1y ago

Game On Little Boys T Shirt 5/6 Blue

Isaac Morris Limited$17.8634 rev

1y ago

What reviews say buyers love and hate about mario birthday shirt

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

What buyers love

Size-Overall23%

“Perfect fit and gift for my grandson”

Quality-Overall23%

“Quality work and arrived quickly”

Advertised Vs Actual Product9%

“Love it as shown”

Material Quality8%

“The material is super soft - perfect for kiddos”

Color6%

“The color is true to the color”

Value For Money4%

“Worth the money”

Soft Feel3%

“Nice quality soft shirts”

Design-Overall3%

“Good quality, nice design”

Durability3%

“Perfect didnt come broke Either”

Print Quality3%

“Clear print”

What buyers complain about

Size-Overall25%

“they all ran a tad small/slim”

Quality-Overall13%

“They are ok just a little cheap looking”

Value For Money8%

“Too pricey for A bad picture”

Shrinkage Resistance7%

“It shrinks”

Advertised Vs Actual Product5%

“not 100% as advertised”

Design-Overall5%

“the back design melted together”

Print Quality4%

“the fabric looks like it had folded over during printing”

Material Quality3%

“Also flimsy material”

Chest Fit3%

“the chest, and especially arms, are like one size too tight”

Strength2%

“Also flimsy material”

Top return reasons

Size-Overall61%

Length10%

Chest Fit5%

Quality-Overall3%

Color3%

Print Quality3%

Material Quality2%

Advertised Vs Actual Product2%

Sleeve Fit2%

Value For Money2%

Common mario birthday shirt questions

Is mario birthday shirt profitable to sell on Amazon United States?: The niche generates $22K/yr across 50 tracked products. 1 of 10 products launched in the last 360 days are still selling. 90-day search growth is +38.3%. Flapen's verdict: Skip it (49/100).
How competitive is the mario birthday shirt niche?: 21 brands and 19 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in mario birthday shirt?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 2.4%.
When does demand for mario birthday shirt peak?: Demand peaks in Apr–May; the busiest month runs 3.4× the quietest.
What does it cost to enter the mario birthday shirt niche?: Listings span $6.18–$40.96; the average listing price is $17.79 (sweet spot $15–$100). The average incumbent carries 303 reviews — the moat a new listing must climb.