Lego Heart Keychain
Skip itSoft demand (-46.9% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Review moat
Good847.89avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Avg price
Okay$9.56avg listing price — sweet spot $15–$100
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Price range
Bad$5.11–$17.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad86%top-5 click share — a locked-up shelf
Market size
Bad$36K$36K/yr · 133K searches
Growth
Bad-46.9%90-day search growth — must beat 0% to launch
Is lego heart keychain profitable on Amazon?
According to Flapen's Amazon United States niche tracking, lego heart keychain is a $36K/yr Amazon United States market (133K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 27/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
lego heart keychain market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $57K–$76K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #894
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 32 months
- Avg seller age
- 123 days
Competition: brands, sellers & click share
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
54
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
86%
Top 20: 100%
Open market
7%
- Funko48%
- HZMM17%
- Smilelife12%
- Meyerascal7%
- NumeroPhi5%
- STAR WARS4%
- Open — no brand owns it (2 brands, 7%)
lego heart keychain demand & seasonality
Weekly Amazon search volume, last 104 weeks — -46.9% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 7.7×
Top lego heart keychain search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- lego heart keychain26K/yr
- matching lego keychain19K/yr
- lego keychain couple14K/yr
- matching lego keychains5K/yr
- lego matching keychain5K/yr
- heart lego keychain10K/yr
- matching lego keychains for couples4K/yr
- lego couple keychain6K/yr
- lego keychain heart5K/yr
- lego heart key chain38K/yr
Top lego heart keychain 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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FUNKO POP! KEYCHAIN: Lilo & Stitch - Stitch & Angel 2PK
Funko$16.944.7★2,241 rev
HZMM Brick Keychain Best Friend Keychain for Friendship Couple Boyfriend Girlfriend Husband Wife Gift Red
HZMM$5.704.7★1,258 rev
Smilelife Personalized Brick Matching Heart Keychains - Gifts for Mom Dad Couple Boyfriend Girlfriend Lovers (Red)
Smilelife$11.784.6★670 rev
Meyerascal Red Heart Keychain Set for Couples Brick Heart Keychain for Boyfriend Girlfriend 2 Pcs Matching Hear t Colorful Keychains.(Red)
Meyerascal$5.404.7★1,313 rev
NumeroPhi Matching Couple Heart Keychains Couples Matching Gifts Decorations Christmas Valentines Day Gifts for Boyfriend Girlfriend
NumeroPhi$6.194.7★632 rev
Newest
by launch dateNumeroPhi Matching Couple Heart Keychains Couples Matching Gifts Decorations Christmas Valentines Day Gifts for Boyfriend Girlfriend
NumeroPhi$6.19632 rev
Smilelife Personalized Brick Matching Heart Keychains - Gifts for Mom Dad Couple Boyfriend Girlfriend Lovers (Red)
Smilelife$11.78670 rev
Smilelife Personalized Brick Matching Heart Keychains - Gifts for Mom Dad Couple Boyfriend Girlfriend Lovers (Black)
Smilelife$11.53670 rev
MPK Brick Couples Matching Keychains Heart Keychain for Boyfriend Girlfriend Couple Gifts for Him Her Birthday Gifts for Boyfriend Valentines Day Gifts for Couples
MPK$5.11469 rev
Heart Brick Keychain for Couple Matching Assembled Heart Shape Brick Charm Keyring for Women Men Valentines Day Jewelry-black pink
FORUBUS$6.1663 rev
Trending
90-day click momentum
Lego Star Wars Darth Vader Key Chain
STAR WARS$17.224.5★
FUNKO POP! KEYCHAIN: Lilo & Stitch - Stitch & Angel 2PK
Funko$16.944.7★
Meyerascal Red Heart Keychain Set for Couples Brick Heart Keychain for Boyfriend Girlfriend 2 Pcs Matching Hear t Colorful Keychains.(Red)
Meyerascal$5.404.7★
Smilelife Personalized Brick Matching Heart Keychains - Gifts for Mom Dad Couple Boyfriend Girlfriend Lovers (Black)
Smilelife$11.534.6★
Heart Brick Keychain for Couple Matching Assembled Heart Shape Brick Charm Keyring for Women Men Valentines Day Jewelry-black pink
FORUBUS$6.164.3★
What reviews say buyers love and hate about lego heart keychain
What buyers praise and complain about, mined from review topics.What buyers love
“Cute gift”
“Cute little keychain”
“It is well made”
“Exactly like photo”
“So far it's holding up very well”
“It is also the perfect size for my keys”
“Easy to use”
“You definitely get value for your money”
“The material looks durable”
“the color is nice”
What buyers complain about
“Poor quality”
“Not durable,”
“keychain is cheaply made”
“The size is as depicted was kind of bigger than I expected”
“The little letter charms dont stay on long but can be fixed.”
Top return reasons
Common lego heart keychain questions
- Is lego heart keychain profitable to sell on Amazon United States?
- The niche generates $36K/yr across 9 tracked products. 90-day search growth is -46.9%. Flapen's verdict: Skip it (27/100).
- How competitive is the lego heart keychain niche?
- 8 brands and 54 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in lego heart keychain?
- Top complaints mined from reviews: Quality-Overall, Durability, Chain/Key Quality. The return rate is 0.8%.
- When does demand for lego heart keychain peak?
- Demand peaks in Jan–Feb–Dec; the busiest month runs 7.7× the quietest.
- What does it cost to enter the lego heart keychain niche?
- Listings span $5.11–$17.22; the average listing price is $9.56 (sweet spot $15–$100). The average incumbent carries 848 reviews — the moat a new listing must climb.