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Stirling Engine

Maybe

The average product has only 50 reviews. But buyers convert on only 0.4% of searches, so Stirling Engine is a Maybe.

Flapen Score
52
52 / 100
Top 24% of 1,773 Toys & Games niches · +8 vs the category median of 44
Market size
£59K/yr126K searches / yr
90-day growth
-21.0%search demand this quarter
Competition
36%top-5 click share · 34 brands · 63 sellers

Flapen Score

Stirling Engine against its category

The dotted line is the Toys & Games average. Past it, Stirling Engine is stronger. Inside it, weaker.

52Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Stirling Engine market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Stirling Engine 126K times last year and spent an estimated £59K. The top 5 brands take 39% of clicks. Demand peaks in Nov–Dec. Flapen scores it 52 out of 100, a Maybe.

01 · Demand

0.4% of searches ended in a purchase last week.

Shoppers searched for this 126K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 0.4% of those searches ended in a purchase. Searches in the last 90 days moved -21.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £59K a year.

Searches, last 12 months
126K
Growth, 90 days vs prior 90
-21.0%
Conversion, latest week
0.4%
Market size, estimated
£59Ka year
Peak month
December3.5× the quietest month
Top search term
steam engine30K searches a year

02 · Price

A sale here is worth £108.62.

Listings sell for £108.62 on average, from £15.41 to £791.83. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 0 to 100 of them. At £108.62 that is £0 to £11K a year per listing.

Average price
£108.62above the $15 to $100 sweet spot
Price range
£15.41–£791.83
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
750–1K
Units per listing a year
0–100
Revenue per listing a year
£0–£11K
Returns
1.2%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

87% of listings pay for placement with sponsored ads. 60% ship with Prime. On an average day, 7.2% of listings are out of stock. The average listing ranks #1,466 within Hobbies. It carries 50 reviews at 4.28 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
60%
Out of stock, average day
7.2%
Average rank
#1,466in Hobbies
Average rating
4.28 starsAmazon United Kingdom average 4.36 stars
Average reviews
50per listing
Listings tracked
47

04 · Newcomers

Amazon counts 2 of last year's 16 launches as successful.

16 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 40 months on average, so the names here are settling in.

Launched, last 12 months
16
Successful launches
2Amazon's first-year sales bar
Average brand age
40 months

Products

Top Stirling Engine products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take only 36% of clicks. An open shelf where new products get seen.

£0£2K£4K£5K£7K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

Brands

34 rising

Sellers

63

Top-5 brand share

39%

Top 20: 85%

Top-5 click share

36%

Top 20: 77%

Open market

56%

  • VISLONE13%
  • Engineerkiter8%
  • HuuppHip7%
  • Namvo6%
  • Astromedia5%
  • Mekturm4%

Demand

Stirling Engine search demand

Weekly searches over the year, seasonality beneath. Pick a range.

6K4KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 3.5×

Search terms

Top Stirling Engine search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • steam engine30K/yr
  • stirling engine24K/yr
  • mamod steam engine16K/yr
  • steam engine kit10K/yr
  • steam engine model building kits18K/yr
  • model steam engine6K/yr
  • stirling engine kit6K/yr
  • sterling engine6K/yr
  • steam engine model4K/yr
  • mamod steam engines models5K/yr

Reviews and returns

What reviews say buyers love and hate about Stirling Engine

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Assembly/Installation15%−0.16

DO NOT BUY THIS KIT Absolute heep of junk one of the worst kits I have tried to build parts don't go together properly

Pieces occasionally break during assembly

fiddly to build

Functionality-Overall12%−0.15

the powered element doesn't work

the motor/ lighting did NOT work

his never worked exactly as mine did not

Value For Money10%+0.68

Not cheap,

Not worth the money, dont buy

Size-Overall9%+0.20

Some tiny pieces

The connection plugs are miniscule

-build could be a lot tighter

Defective Material/Parts9%−0.11

this one has had multiple parts that don't fit well

A lot of parts Need

Love

Design-Overall14%−0.02

A very enjoyable build with clear detailed instructions

Brilliantly designed

All in all it's a good model to build

Quality-Overall13%+0.73

so the overall quality is reassuring

Great product

The quality of the PVC parts were good

Instructions/User Manual/Troubleshooting10%+0.15

instructions were clear

The instructions are decent overall

Easy to follow instructions

Value For Money9%+0.68

-decent value

Good value for money

Good value

Assembly/Installation9%−0.16

Easy to set up and use

Nice product easy enough to assemble looks good like it

Good fun to build

Return

1.2% Return rate 0% Fixable by listing

Defective Material/Parts23%▁▅█▃▅▁

this one has had multiple parts that don't fit well

A lot of parts Need

Functionality-Overall23%▅█▆▁▅▁

the powered element doesn't work

the motor/ lighting did NOT work

his never worked exactly as mine did not

Assembly/Installation19%▁▁▁█▅▁

DO NOT BUY THIS KIT Absolute heep of junk one of the worst kits I have tried to build parts don't go together properly

Pieces occasionally break during assembly

fiddly to build

Quality-Overall8%█▁▁▁▁▁

nothing to do with quality

Build quality could be a lot better

Gifting Purpose8%▁▁▁█▁▁

Wrong present

FAQ

Common Stirling Engine questions

Answered from the same tracked data.