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Engine

Fail

Buyers convert on only 0.5% of searches, so Engine is a Fail.

Flapen Score
48
48 / 100
Top 45% of 835 Stationery & Office Supplies niches · +1 vs the category median of 47
Market size
£83K/yr237K searches / yr
90-day growth
-15.7%search demand this quarter
Competition
46%top-5 click share · 15 brands · 36 sellers

Flapen Score

Engine against its category

The dotted line is the Stationery & Office Supplies average. Past it, Engine is stronger. Inside it, weaker.

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Engine market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Engine 237K times last year and spent an estimated £83K. The top 5 brands take 70% of clicks. Demand peaks in Nov–Dec. Flapen scores it 48 out of 100, a Fail.

01 · Demand

0.5% of searches ended in a purchase last week.

Shoppers searched for this 237K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 0.5% of those searches ended in a purchase. Searches in the last 90 days moved -15.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £83K a year.

Searches, last 12 months
237K
Growth, 90 days vs prior 90
-15.7%
Conversion, latest week
0.5%
Market size, estimated
£83Ka year
Peak month
December4.1× the quietest month
Top search term
engine31K searches a year

02 · Price

A sale here is worth £67.45.

Listings sell for £67.45 on average, from £23.57 to £527.72. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At £67.45 that is £0 to £7K a year per listing.

Average price
£67.45inside the $15 to $100 sweet spot
Price range
£23.57–£527.72
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
2K–3K
Units per listing a year
0–100
Revenue per listing a year
£0–£7K
Returns
1.5%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads.

94% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 11.0% of listings are out of stock. The average listing ranks #1,374 within School & Educational Supplies. It carries 165 reviews at 4.28 stars, so a new listing needs social proof before a better product.

Sponsored listings
94%
Prime listings
94%
Out of stock, average day
11.0%
Average rank
#1,374in School & Educational Supplies
Average rating
4.28 starsAmazon United Kingdom average 4.36 stars
Average reviews
165per listing
Listings tracked
31

04 · Newcomers

Amazon counts 1 of last year's 15 launches as successful.

15 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 34 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
15
Successful launches
1Amazon's first-year sales bar
Average brand age
34 months

Products

Top 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 46% of clicks. Leaders hold, but buyers still shop past them.

£0£4K£8K£12K£17K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 rising

Sellers

36

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

46%

Top 20: 86%

Open market

24%

  • Mould King21%
  • Machine Works19%
  • Reobrix14%
  • Bathgate8%
  • Nifeliz7%
  • QGGQ7%

Demand

Engine search demand

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

13K8KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 4.1×

Search terms

Top Engine search terms shoppers use

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

  • engine31K/yr
  • v8 engine model kit38K/yr
  • lego engine25K/yr
  • model engine15K/yr
  • model engine kits24K/yr
  • model engines for adults to build11K/yr
  • metal engine model kit7K/yr
  • vortrixe model engine4K/yr
  • engine model kit9K/yr
  • mini engine9K/yr

Reviews and returns

What reviews say buyers love and hate about Engine

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

Complain

Assembly/Installation16%−0.14

It took some time to assemble

difficult to build, experience required

a huge disappointment after spending 4 days on assembly

Instructions/User Manual/Troubleshooting14%−0.25

found the instruction booklet was very poor

The written instructions are often downright confusing

No parts listed with instructions

Defective Material/Parts7%−0.13

A few parts missing

A lot of parts Need

Some parts didnt like going together easily

Quality-Overall7%+0.15

this was mistake the brick are poor quality

Poor quality

Size-Overall5%+0.59

The fit just wasn't what I'm used to

would have liked a bigger size

the fit on the pieces is tighter than a duck's bottom

Love

Design-Overall19%+1.39

Fabulous well designed

great build, lovely display piece as well

Great fun to build

Quality-Overall14%+0.15

Good quality

the overall quality is still very satisfying

The quality of the parts really stands out straight away—everything is well made

Fun/Entertainment Experience10%+0.47

Good fun to build

Such a great fun activity

being fully interactive as well

Instructions/User Manual/Troubleshooting8%−0.25

instructions were clear

Easy to follow instructions

Good quality pieces with step by step instructions

Assembly/Installation8%−0.14

What really makes this kit stand out is how satisfying the assembly process is

So I'm finding it fairly easy to start building this model

clearly enjoyed putting this together

Return

1.5% Return rate 3% Fixable by listing

Defective Material/Parts47%▇█▅▄▅▇

A few parts missing

A lot of parts Need

Some parts didnt like going together easily

Quality-Overall8%▆▄▁▁█▃

this was mistake the brick are poor quality

Poor quality

Instructions/User Manual/Troubleshooting6%▁▂█▄▁▂

found the instruction booklet was very poor

The written instructions are often downright confusing

No parts listed with instructions

Material Quality5%▁▁▁█▁▁
Gifting Purpose5%▁▆█▁▁▅

Sorry I can't really say it's been bought for a Christmas present

FAQ

Common Engine questions

Answered from the same tracked data.