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50

4th Birthday Card Boy

Worth a look

Shows low returns (0.1%), but prices mostly outside the sweet spot ($2.03–$6.17) keeps it on the watch list.

Market size 10Growth 25Conversion 97Competition 84Returns 99Price range 0Avg price 8Brand share 50Review moat 91Quality gap 22

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible14.6%

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

Review moat

Great171.64

avg incumbent reviews — the moat a new listing must climb

Competition

Great31%

top-5 click share — an open shelf

Brand share

Good75%

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

Growth

Bad-0.5%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad£39K

£39K/yr · 89K searches

Avg price

Bad£3.00

avg listing price — sweet spot $15–$100

Price range

Bad£2.03–£6.17

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

Is 4th birthday card boy profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 4th birthday card boy is a £39K/yr Amazon United Kingdom market (89K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Feb. Verdict: Worth a look — 50/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

4th birthday card boy market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
13K–15K
avg 250–500/product
Revenue / yr
£38K–£45K
units × avg price
Conversion rate
14.6%
Avg BSR
#3,086
Page quality
0%
Prime
100%
Sponsored
84%
Out of stock
2.6%
Avg brand age
37 months
Avg seller age
169 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

18 rising

Sellers

34

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

31%

Top 20: 79%

Open market

19%

  • Danilo Promotions LTD26%
  • UK Greetings23%
  • Felbridge Studio10%
  • Central 238%
  • Me To You7%
  • Stuff46%

4th birthday card boy demand & seasonality

Weekly Amazon search volume, last 71 weeks — -0.5% search growth over the last 90 days.
2K2KSpike '25Spike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Feb · busiest ÷ quietest = 1.9×

Top 4th birthday card boy search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • 4th birthday card boy24K/yr
  • 4 year old birthday card14K/yr
  • 4 birthday card11K/yr
  • 4th birthday card11K/yr
  • birthday card 4 year old boy11K/yr
  • birthday card for 4 year old boy5K/yr
  • happy 4th birthday card4K/yr
  • birthday card 43K/yr
  • 4 year old card3K/yr
  • age 4 birthday card2K/yr
All search terms

Top 4th birthday card boy 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.

0%2%£7784%£2K6%£2K8%£3K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
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.

What reviews say buyers love and hate about 4th birthday card boy

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

What buyers love

Quality-Overall44%

“Good quality card”

Value For Money28%

“Great value”

Advertised Vs Actual Product16%

“Exactly as described and arrived promptly”

Display Resolution6%

“Nice graphics”

Thickness3%

“Thick, good quality and decent price, very happy”

Stitch/Finish/Polish3%

“Beautifully finished”

What buyers complain about

Value For Money67%

“Cheaper to buy in Tesco”

Size-Overall33%

“small and not worth the cost”

Top return reasons

Scratch Resistance33%
Advertised Vs Actual Product33%
Color17%
Defective Material/Parts17%

Common 4th birthday card boy questions

Is 4th birthday card boy profitable to sell on Amazon United Kingdom?
The niche generates £39K/yr across 50 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -0.5%. Flapen's verdict: Worth a look (50/100).
How competitive is the 4th birthday card boy niche?
18 brands and 34 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in 4th birthday card boy?
Top complaints mined from reviews: Value For Money, Size-Overall. The return rate is 0.1%.
When does demand for 4th birthday card boy peak?
Demand peaks in Feb; the busiest month runs 1.9× the quietest.
What does it cost to enter the 4th birthday card boy niche?
Listings span £2.03–£6.17; the average listing price is £3.00 (sweet spot $15–$100). The average incumbent carries 172 reviews — the moat a new listing must climb.

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