lego solar system
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible£42.26avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great£12.62–£106.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good565.86avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-29.4%90-day search growth — must beat 0% to launch
Competition
Bad93%top-5 click share — a locked-up shelf
Market size
Bad£17K£17K/yr · 17K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, lego solar system is a £17K/yr Amazon United Kingdom market (17K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 37/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
lego solar system market data
- Units sold / yr
- 500–750
- avg 100–250/product
- Revenue / yr
- £21K–£32K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #1,538
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 0.0%
- Avg brand age
- 44 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
70
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- LEGO73%
- Imagibox13%
- MOCBURIKU8%
- PERFECT LASER4%
- MirthMakers3%
Demand & seasonality
Weekly Amazon search volume, last 89 weeks — -29.4% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 7.9×
Top lego solar system search terms
- lego solar system10K/yr
- lego planets5K/yr
- lego planet earth and moon in orbit2K/yr
Top lego solar system 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
Dual Mode Spinning Solar System Building Kit STEM Model with 9 Rotatable Planets Light-up SunTechnic Space Toy for Astronomy Learning Gift for Kids Ages 8+ (1282 PCS)
Imagibox£47.913.6★21 rev
MOCBURIKU Solar System Building Set Rotatable Space Toys for Kids 1282Pcs
MOCBURIKU£38.884.6★21 rev
LEGO Classic Creative Space Planets Brick Box Solar System Building Toys Featuring a Rocket Toy for Kids Boys & Girls aged 5+ with Earth Sun Saturn Models plus Astronaut and Alien Figures 11037
LEGO£19.064.8★715 rev
LEGO Art The Milky Way Galaxy Set Space Model Kit for Adults to Build Creative Activity for Design Lovers Home Office Décor Idea for Living Room Astronomy Gift for Men Women Him or Her 31212
LEGO£106.994.8★1,107 rev
Newest
by launch dateMOCBURIKU Solar System Building Set Rotatable Space Toys for Kids 1282Pcs
MOCBURIKU£38.8821 rev
Dual Mode Spinning Solar System Building Kit STEM Model with 9 Rotatable Planets Light-up SunTechnic Space Toy for Astronomy Learning Gift for Kids Ages 8+ (1282 PCS)
Imagibox£47.9121 rev
MirthMakers Solar System Micor Building Block Set 964PCS - Rotating Planetarium Model of Bricks Kit with Hand Crank 9 Moving Planets with Rocket and Satellite STEM Educational Toy for Kid Adult
MirthMakers£29.866 rev
Handcrafted Solar System Model 9 Planets Natural Gemstones Sphere Gemstone Planets with Wooden Box Solar System Gems Decor Astronomy Gifts Planet Gift for Astronomy Enthusiasts
PERFECT LASER£12.6222 rev
LEGO Art The Milky Way Galaxy Set Space Model Kit for Adults to Build Creative Activity for Design Lovers Home Office Décor Idea for Living Room Astronomy Gift for Men Women Him or Her 31212
LEGO£106.991,107 rev
Trending
90-day click momentumMOCBURIKU Solar System Building Set Rotatable Space Toys for Kids 1282Pcs
MOCBURIKU£38.884.6★
Dual Mode Spinning Solar System Building Kit STEM Model with 9 Rotatable Planets Light-up SunTechnic Space Toy for Astronomy Learning Gift for Kids Ages 8+ (1282 PCS)
Imagibox£47.913.6★
Handcrafted Solar System Model 9 Planets Natural Gemstones Sphere Gemstone Planets with Wooden Box Solar System Gems Decor Astronomy Gifts Planet Gift for Astronomy Enthusiasts
PERFECT LASER£12.623.8★
MirthMakers Solar System Micor Building Block Set 964PCS - Rotating Planetarium Model of Bricks Kit with Hand Crank 9 Moving Planets with Rocket and Satellite STEM Educational Toy for Kid Adult
MirthMakers£29.862.4★
LEGO Art The Milky Way Galaxy Set Space Model Kit for Adults to Build Creative Activity for Design Lovers Home Office Décor Idea for Living Room Astronomy Gift for Men Women Him or Her 31212
LEGO£106.994.8★
What buyers say about lego solar system
What buyers praise and complain about, mined from review topics.What buyers love
“Enjoyed the build”
“Money well spent”
“Highly recommended as a gift”
“Excellent Kit perfectly”
“Fun and educational”
“good fun building it”
“The build process is relaxing with logical steps, clear instructions, and satisfying piece placement, no major frustration points”
“cosmic colours pop dramatically”
“My then tween son enjoyed the complex build”
“Very clear instructions and great qual”
What buyers complain about
“Parts missing and bad instructions”
“These are smaller than marbles”
“To expensive for what it is”
“just take a break”
“Too complicated and also pluto isnt exactly in the solar system,so i think that it is a little deceiving in the image”
“bad quality”
“The final assembly was a little rickety”
“Not super sturdy if knocked over”
Top return reasons
Common questions
- Is lego solar system profitable to sell on Amazon United Kingdom?
- The niche generates £17K/yr across 7 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -29.4%. Flapen's verdict: Skip it (37/100).
- How competitive is the lego solar system niche?
- 5 brands and 70 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in lego solar system?
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Size-Overall, Value For Money. The return rate is 1.3%.
- When does demand for lego solar system peak?
- Demand peaks in Nov–Dec; the busiest month runs 7.9× the quietest.
- What does it cost to enter the lego solar system niche?
- Listings span £12.62–£106.99; the average listing price is £42.26 (sweet spot $15–$100). The average incumbent carries 566 reviews — the moat a new listing must climb.