4th birthday card boy
Worth a lookShows low returns (0.1%), but prices mostly outside the sweet spot ($2.03–$6.17) keeps it on the watch list.
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
Great171.64avg 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£3.00avg listing price — sweet spot $15–$100
Price range
Bad£2.03–£6.17cheapest 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.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
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Wishing Well Cute 4th Birthday Card with Fun Lion Illustrations 5x8ins Studios
Me To You£2.084.7★4 rev

UK Greetings | 4th Birthday Card | Happy Birthday Gifts | Her Girls Women | Unicorn Design | With Envelope | 15.9 x 18.4 cm
UK Greetings£2.324.6★394 rev

Age 4 Birthday Card Dinosaur Roar Age 4 Birthday Cards Birthday Card 4th Birthday
Danilo Promotions LTD£2.744.7★188 rev

4th Birthday Card for Boys Monster Truck Design Fun and Colourful Card Gifts for Kids Son Nephew Grandson Children Little Ones from Mum Dad Family Turning 4 Years Old- Comes with Stickers
Central 23£3.334.6★19 rev

Danilo Promotions Official Paw Patrol Age 4 Birthday Card Multi PA077
Danilo Promotions LTD£2.394.6★393 rev
Newest
by launch date
AIKOBAA Childrens Birthday Card 4th Birthday with Storybook Characters Watercolour Art Dragon & Wizard Gold Foil Happy 4th Birthday 14x14cm with Kraft Envelope
AIKOBAA£3.300 rev

4th Birthday Card Gift for Boys Four Today 4 Years Old - Cute Dinosaur Design Happy Fourth Birthday Greeting Card for Grandson Nephew Son Toddler or Boys - Includes Yellow Envelope 14cm
Felbridge Studio£3.0726 rev

4th Birthday Card for Boys - Four Today 4 Years Old - Cute Vehicle Design - Happy Fourth Birthday Greeting Card for Grandson Nephew Son - Includes Blue Envelope 14cm
Felbridge Studio£2.741 rev

4th Birthday Card for Girls - Four Today 4 Years Old Rainbow Unicorns Design - Happy Fourth Birthday Card for Granddaughter Niece Daughter - Includes Pink Envelope 14cm
Felbridge Studio£3.1617 rev

4th Birthday Cards for Boys Monster Truck This Is How I Roll
Stuff4£3.3397 rev
Trending
90-day click momentum
AIKOBAA Childrens Birthday Card 4th Birthday with Storybook Characters Watercolour Art Dragon & Wizard Gold Foil Happy 4th Birthday 14x14cm with Kraft Envelope
AIKOBAA£3.300.0★

4th Birthday Card for Boys - Four Today 4 Years Old - Cute Vehicle Design - Happy Fourth Birthday Greeting Card for Grandson Nephew Son - Includes Blue Envelope 14cm
Felbridge Studio£2.745.0★

Wishing Well Cute 4th Birthday Card with Fun Lion Illustrations 5x8ins Studios
Me To You£2.084.7★

4th Birthday Card Gift for Boys Four Today 4 Years Old - Cute Dinosaur Design Happy Fourth Birthday Greeting Card for Grandson Nephew Son Toddler or Boys - Includes Yellow Envelope 14cm
Felbridge Studio£3.074.7★

4th Birthday Card for Girls - Four Today 4 Years Old Rainbow Unicorns Design - Happy Fourth Birthday Card for Granddaughter Niece Daughter - Includes Pink Envelope 14cm
Felbridge Studio£3.164.2★
What buyers say about 4th birthday card boy
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality card”
“Great value”
“Exactly as described and arrived promptly”
“Nice graphics”
“Thick, good quality and decent price, very happy”
“Beautifully finished”
What buyers complain about
“Cheaper to buy in Tesco”
“small and not worth the cost”
Top return reasons
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.