Skip to content

mario birthday shirt

Skip it51/100

a small market ($22K/yr) — mario birthday shirt doesn't clear our bar today.

Market/yr

$22K

Growth (1y)

+299.1%

Products

50

Brands

21

was 14 a year ago

Sellers

19

Price range

$6.18–$40.96

Returns

2.4%

Rating

4.6★

51/100

Skip it

Scored 51/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
1
×0.30
Growth
85
×0.30
Competition
72
×0.20
Quality gap
29
×0.10
Returns
81
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +299.1% year over year.
2K1KSpike '25Prime Day '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

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

Competition

27%Hewtwerck
  • Hewtwerck27%
  • Super Mario21%
  • MorgaLithon17%
  • Isaac Morris Limited13%
  • BLNKLV3%
  • Lil' Daisy store3%
  • Other (15 brands)16%

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them. 21 brands and 19 sellers compete here.

Brands

21 rising

was 14 a year ago

Sellers

19

Top 5 brand share

81%

#ProductBrandPriceRatingReviewsClick shareTrend
5Isaac Morris Limited$17.864.6★346%rising
9Isaac Morris Limited$12.804.3★293%rising
14Isaac Morris Limited$12.944.8★672%rising

Product shelf

All 50 tracked products in this niche.

Reviews

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%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.71 median price · 2.2% median returns across 13,812 tracked niches.