Skip to content
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

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 data

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 & brand 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%

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

  • 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 on Amazon

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 buyers say 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 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.