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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

An estimated 0.5% of those searches ended in a purchase.

Shoppers searched for this 237K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 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

1 of last year's 15 launches cleared the first-year sales bar.

15 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. 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

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 29, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 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

Est. top-5 brand share

70%

Top 20: 100%

Est. 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 estimated 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

We read the reviews and the return reasons for every product selling here.

19%of positive reviews mention “Design-Overall”
16%of negative reviews mention “Assembly/Installation”
1.5%of orders come back
“It took some time to assemble”
A buyer, on “Assembly/Installation”16% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Engine questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data