lego gears
Skip itSoft demand (-11.1% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$25.60avg listing price — sweet spot $15–$100
Price range
Great$8.97–$64.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Brand share
Good62%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,120.3avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$83K$83K/yr · 104K searches
Growth
Bad-11.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, lego gears is a $83K/yr Amazon United States market (104K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 47/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
lego gears market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $77K–$102K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #1,356
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 89%
- Out of stock
- 2.4%
- Avg brand age
- 45 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
103
Top-5 brand share
62%
Top 20: 100%
Top-5 click share
51%
Top 20: 93%
Open market
30%
- ASTEM15%
- Miutrue15%
- MALEKO12%
- Habow12%
- Klutz9%
- Scholastic8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.1% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.9×
Top lego gears search terms
- lego gears55K/yr
- lego gears and motors15K/yr
- lego technic gears11K/yr
- lego gear10K/yr
- lego gear set5K/yr
- lego motors and gears8K/yr
Top lego gears 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
Miutrue Technical Parts Wheels Gears Building Blocks Accessories Pieces kit Construction Toys Set for Kids 6yrs+ Compatible with Major Brands
Miutrue$9.884.7★89 rev
ASTEM 100+PCS Technic Gears and Axles Compatible with Technic-Sets Gears-Rack (Gears-Pins-Axles Differential New) for Car Building Brick Accessories Pieces Sets (Random Color)
ASTEM$9.834.5★438 rev
Habow 852pcs Technic-Parts Gears-Axle-Pin-Connector Compatible with Mainstream Brands Shock-Absorber Wheels Chain Link Frame Joints Differential Engine Kit. MOC Pieces for Toy Building Sets
Habow$34.014.5★320 rev
Klutz Lego Gear Bots Science/STEM Activity Kit for 8-12 years
Klutz$21.274.6★12,203 rev
LEGO Gadgets (Klutz Science/STEM Activity Kit) 10.25 Length x 0.75 Width x 10 Height
Scholastic$20.124.7★16,447 rev
Newest
by launch date
MALEKO Technical Gears Axles Set 120+PCS MOC Car Building Block Parts
MALEKO$10.0425 rev
MALEKO Technical Parts Building Blocks EV3 Accessories-Gears Beams Pins
MALEKO$29.8025 rev
UNCLE BRICK 9 in 1 Motor Power Function Set Equipped with Powerful High-Torque High-Speed Motor Advanced Control Functions Compatible with Major Brands Suitable for Building Block Modification
UNCLE BRICK$27.9746 rev
AIMATRIX 32PCS Power Function Motors Set Compatible with Maior Brand
AIMATRIX$42.5049 rev
MALEKO Gears Axles Wheels Motor Kit 800+PCS Building Block Technical Parts
MALEKO$33.5125 rev
Trending
90-day click momentum
LEGO Technic Gears Assortment Pack
LEGO$37.544.5★
235 Pcs Technical-Part Compatible with Technic Building Block Set
BrickBounty$20.704.7★
LEGO Gadgets (Klutz Science/STEM Activity Kit) 10.25 Length x 0.75 Width x 10 Height
Scholastic$20.124.7★
MALEKO Technical Gears Axles Set 120+PCS MOC Car Building Block Parts
MALEKO$10.044.9★
Mutcretus 54PCS Power Function Motor Set Infrared Remote Control&Battery Pack Motor Kit Compatible with Building Blocks Technic Sets Light Electric Functions Motors and Gears Kid&Adult
Mutcretus$36.304.3★
What buyers say about lego gears
What buyers praise and complain about, mined from review topics.What buyers love
“Great variety and great cost”
“Super fun set”
“Good value for the money”
“Great design”
“These were a gift”
“As advertised”
“so these compatible technical pieces have been a helpful option”
“putting them together”
“Educational and fun”
“Fit is great”
What buyers complain about
“Cheap Quality”
“broke pretty quickly”
“they're very expensive to replace or add to”
“Doesn't come with any directions”
“Hubby and son had technical difficulties trying to make things”
“You can't imagine how flimsy the paper is”
“difficult to build”
“not specifically that color”
“Some wires are thin”
“Within 5 minutes smoke poured out of it”
Top return reasons
Common questions
- Is lego gears profitable to sell on Amazon United States?
- The niche generates $83K/yr across 27 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -11.1%. Flapen's verdict: Skip it (47/100).
- How competitive is the lego gears niche?
- 17 brands and 103 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in lego gears?
- Top complaints mined from reviews: Quality-Overall, Durability, Value For Money. The return rate is 1.8%.
- When does demand for lego gears peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.9× the quietest.
- What does it cost to enter the lego gears niche?
- Listings span $8.97–$64.50; the average listing price is $25.60 (sweet spot $15–$100). The average incumbent carries 2,120 reviews — the moat a new listing must climb.