lego space
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Incredible£45.01avg listing price — sweet spot $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Review moat
Good1,021.32avg incumbent reviews — the moat a new listing must climb
Market size
Good£350K£350K/yr · 365K searches
Price range
Good£5.33–£164.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-27.6%90-day search growth — must beat 0% to launch
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, lego space is a £350K/yr Amazon United Kingdom market (365K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 45/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
lego space market data
- Units sold / yr
- 8K–10K
- avg 100–250/product
- Revenue / yr
- £360K–£450K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #1,382
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 59%
- Out of stock
- 0.3%
- Avg brand age
- 35 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
8 rising
Sellers
302
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
47%
Top 20: 87%
Open market
2%
- LEGO85%
- TYCOLE6%
- APENGBAOL3%
- Clementoni2%
- Booyuer2%
- MOCBURIKU1%
- Open — no brand owns it (2 brands, 2%)
Demand
Weekly Amazon search volume, last 30 weeks — -27.6% search growth over the last 90 days.Top lego space search terms
- lego space165K/yr
- space lego67K/yr
- lego rocket31K/yr
- lego spaceship21K/yr
- lego city space22K/yr
- lego astronaut10K/yr
- lego space sets13K/yr
- rocket lego7K/yr
- space lego set5K/yr
- lego technic space9K/yr
Top lego space 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
LEGO City Interstellar Spaceship Toy Set Outer Space Building Toys for 6 Plus Year Old boys Girls & Kids With Astronaut Minifigure for Imaginative Play Birthday Gift Idea 60430
LEGO£12.724.7★2,449 rev
LEGO 31134 Creator 3 in 1 Space Shuttle Toy to Astronaut Figure to Spaceship Building Toys for Kids Boys Girls Aged 6 and up Creative Gift Idea
LEGO£6.994.8★8,331 rev
LEGO Technic NASA Artemis Space Launch System Rocket - Interactive STEM Toy w/ 4 Astronauts and a Separation Function - Birthday Gift for 9+ Year Old Boys & Girls - 42221
LEGO£39.524.8★502 rev
LEGO Technic Planet Earth and Moon in Orbit Model Building Set Outer Space Toys for 10 Plus Year Old Kids Boys & Girls Solar System Toy for Imaginative Independent Play Birthday Gift Idea 42179
LEGO£40.494.7★2,069 rev
LEGO Icons NASA Artemis Space Launch System Set Model Kit for Adults to Build Includes an Orion Capsule and Launch Tower Home and Office Desk Decor Gifts for Men Women Him or Her 10341
LEGO£164.804.7★760 rev
Newest
by launch date
LEGO Icons Project Hail Mary - Miniature Spaceship Model Kit for Adults - Display Set w/Ryland Grace Minifigure & Rocky Figure - Sci-Fi Gift for Movie & Book Fans - 11389
LEGO£75.48134 rev
LEGO Technic NASA Artemis Space Launch System Rocket - Interactive STEM Toy w/ 4 Astronauts and a Separation Function - Birthday Gift for 9+ Year Old Boys & Girls - 42221
LEGO£39.52502 rev
TYCOLE City Astronaut Building Set with Display Stand Spaceman Construction Toys Space Gifts for 6 Year Old Boy or Girl Room/Home/Office Decor 860 Pieces
TYCOLE£22.29135 rev
Booyuer Space Shuttle 11-in-1 STEM Building Set 888 PCS Rocket Mars Exploration & City Space Station Gift for Kids 6-12 Boys & Girls Birthday & Holiday Present
Booyuer£26.89129 rev
TYCOLE Space Shuttle Building Set 536PCS Model Kit with Stretchable Satellite & Translucent Design Creative Space Gift for Boys & Girls 6+ and Adult Collectors Birthday
TYCOLE£18.31109 rev
Trending
90-day click momentumLEGO Icons Project Hail Mary - Miniature Spaceship Model Kit for Adults - Display Set w/Ryland Grace Minifigure & Rocky Figure - Sci-Fi Gift for Movie & Book Fans - 11389
LEGO£75.484.8★
APENGBAOL Saturn V Space Rocket and Vehicles Building Blocks Set 613 Precision Space Shuttle Building Block Toys for Kids Aged 6-12.Gifts for Adults
APENGBAOL£24.464.3★
Clementoni- NASA Floating Shuttle Space Toy: Educational Self Build Science Kit With 220+ Interchangeable Components(8 Years +)
Clementoni£11.004.5★
TYCOLE Space Shuttle Building Set 536PCS Model Kit with Stretchable Satellite & Translucent Design Creative Space Gift for Boys & Girls 6+ and Adult Collectors Birthday
TYCOLE£18.314.6★
LEGO Technic NASA Artemis Space Launch System Rocket - Interactive STEM Toy w/ 4 Astronauts and a Separation Function - Birthday Gift for 9+ Year Old Boys & Girls - 42221
LEGO£39.524.8★
What buyers say about lego space
What buyers praise and complain about, mined from review topics.What buyers love
“Money well spent”
“Amazing looking”
“fun to build”
“It was a gift”
“The quality is brilliant, like you expect with Lego, and the instructions were nice and clear”
“Great collectable”
“Easy to put together, fun, and 100% recommended”
“is exactly as advertised”
“Instructions are excellent”
“looks pretty cool once displayed”
What buyers complain about
“Hard to build it”
“Not cheap”
“Instruction arnt the best”
“the size is small”
“The movement mechanism manages to be incredibly simple yet fiendishly impressive”
“Quality not as expected”
“just take a break”
“The colours are poorly printed”
“even though all the boxes I receive get reused or recycled”
“this LEGO DeLorean is heavy”
Top return reasons
Common questions
- Is lego space profitable to sell on Amazon United Kingdom?
- The niche generates £350K/yr across 34 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -27.6%. Flapen's verdict: Skip it (45/100).
- How competitive is the lego space niche?
- 8 brands and 302 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in lego space?
- Top complaints mined from reviews: Assembly/Installation, Value For Money, Instructions/User Manual/Troubleshooting. The return rate is 0.5%.
- What does it cost to enter the lego space niche?
- Listings span £5.33–£164.80; the average listing price is £45.01 (sweet spot $15–$100). The average incumbent carries 1,021 reviews — the moat a new listing must climb.