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sonic birthday shirt

Worth a look54/100

sonic birthday shirt shows a fragmented shelf (top 5 take 19% of clicks), but a small market ($138K/yr) keeps it on the watch list.

Market/yr

$138K

Growth (1y)

+170.3%

Products

123

Brands

8

was 13 a year ago

Sellers

16

Price range

$8.52–$43.02

Returns

2.2%

Rating

4.7★

54/100

Worth a look

Scored 54/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
7
×0.30
Growth
73
×0.30
Competition
96
×0.20
Quality gap
24
×0.10
Returns
82
×0.10

Demand

Weekly Amazon search volume, last 74 weeks — +170.3% year over year.
11K5KSpike '26Feb '25May '25Jul '25Oct '25Jan '26Apr '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Jun, Jul · busiest ÷ quietest = 4.6×

Competition

78%SEGA
  • SEGA78%
  • Sonic The Hedgehog9%
  • Bioworld4%
  • Zypynith3%
  • Komar Kids2%
  • Tutu and Sian2%
  • Other (2 brands)2%

Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen. 8 brands and 16 sellers compete here.

Brands

8 falling

was 13 a year ago

Sellers

16

Top 5 brand share

96%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 123 tracked products in this niche.

Reviews

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

What buyers love

Size-Overall32%

“Fit like it should”

Quality-Overall22%

“Excellent product”

Advertised Vs Actual Product5%

“As advertised”

Value For Money5%

“Worth the buy”

Gifting Purpose4%

“Gift”

Material Quality3%

“100% cotton Sonic the Hedgehog t-shirt - perfect for Sonic lovers”

Color3%

“Vibrant colors”

Comfort-Overall3%

“Comfortable”

Durability2%

“very durable”

Ease Of Use2%

“It was easy to use”

What buyers complain about

Size-Overall25%

“Poor fit”

Quality-Overall17%

“Not well made”

Smell6%

“However, it has a chemical smell”

Print Quality5%

“Good shirt, print quality issues”

Machine Wash Suitability3%

“the shirt faded after the first wash”

Winding3%

“Can't get it working after chaging”

Material Quality2%

“I don't know if its due to the quality of the shirt or the material they used for the vinyl”

Stretchability/Expandability/Elasticity2%

“with very loose elastic”

Advertised Vs Actual Product2%

“Its not the same as what on site”

Neck Fit2%

“have a very big neck looks like already used someone before I brought it”

Top return reasons

  • Size-Overall57%
  • Length8%
  • Material Quality5%
  • Wrist Fit3%
  • Advertised Vs Actual Product2%
  • Quality-Overall2%
  • Chest Fit2%
  • Sleeve Fit2%
  • Waist 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.