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Knex

Fail

The top 5 brands take 100% of clicks, so Knex is a Fail.

Flapen Score
44
44 / 100
Ranks 850 of 1,773 Toys & Games niches · on the category median
Market size
£221K/yr264K searches / yr
90-day growth
-19.5%search demand this quarter
Competition
57%top-5 click share · 3 brands · 76 sellers

Flapen Score

Knex against its category

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

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Knex market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Knex 264K times last year and spent an estimated £221K. All 3 brands take every click. Demand peaks in Oct–Nov–Dec. Flapen scores it 44 out of 100, a Fail.

01 · Demand

4.4% of searches ended in a purchase last week.

Shoppers searched for this 264K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 4.4% of those searches ended in a purchase. Searches in the last 90 days moved -19.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £221K a year.

Searches, last 12 months
264K
Growth, 90 days vs prior 90
-19.5%
Conversion, latest week
4.4%
Market size, estimated
£221Ka year
Peak month
December6.8× the quietest month
Top search term
knex161K searches a year

02 · Price

A sale here is worth £19.04.

Listings sell for £19.04 on average, from £8.00 to £38.11. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 250 to 500 of them. At £19.04 that is £5K to £10K a year per listing.

Average price
£19.04inside the $15 to $100 sweet spot
Price range
£8.00–£38.11
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
10K–13K
Units per listing a year
250–500
Revenue per listing a year
£5K–£10K
Returns
1.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

67% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.6% of listings are out of stock. The average listing ranks #649 within Building & Construction Toys. It carries 1,825 reviews at 4.54 stars, so a new listing needs social proof before a better product.

Sponsored listings
67%
Prime listings
100%
Out of stock, average day
0.6%
Average rank
#649in Building & Construction Toys
Average rating
4.54 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,825per listing
Listings tracked
18

04 · Newcomers

Amazon counts 1 of last year's 2 launches as successful.

2 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 38 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
38 months

Products

Top Knex 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 57% of clicks. Leaders hold, but buyers still shop past them.

£0£11K£22K£33K£44K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

3 flat

Sellers

76

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

57%

Top 20: 100%

Open market

0%

  • Basic Fun49%
  • K'NEX49%
  • Lypsochaat2%
  • Open — no brand owns it (0%)

Demand

Knex search demand

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

23K18KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 6.8×

Search terms

Top Knex search terms shoppers use

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

  • knex161K/yr
  • knex building set28K/yr
  • kinex15K/yr
  • knex age 512K/yr
  • knex sets9K/yr
  • k nex10K/yr
  • kinex building set8K/yr
  • k nex set6K/yr
  • connex3K/yr
  • knex age 77K/yr

Reviews and returns

What reviews say buyers love and hate about Knex

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

Complain

Size-Overall40%−0.17

Its quite big

Very small

Small box

Value For Money20%−0.08

Sent back due to poor value for money

Not worth for the money even on half price

Definitely overpriced for what was included

Advertised Vs Actual Product10%−0.06

was not clear from the description

Assembly/Installation5%−0.01

Weak jointing

Not easy to build

Material Quality3%

The harder plastic used in this product is not as good as that used in the original product

Love

Fun/Entertainment Experience30%+2.18

Actually quite fun to build

Fun for the entire family

Great fun

Gifting Purpose19%+1.33

Lovely gift idea

Great gift

Giftability is great

Creativity9%+0.40

she loves being very creative with

Purchased to encourage creativity

Good and creative gift for kids

Quality-Overall7%+0.44

Good quality

Great product

Value For Money7%−0.08

Not too expensive

Great value

It was good value

Return

1.1% Return rate 42% Fixable by listing

Size-Overall37%▄▄█▆▇▅

Its quite big

Very small

Small box

Gifting Purpose22%▇▆▄█▆▇

also damage as it was meant for a gift

Defective Material/Parts12%▆█▇▆▇▅
Value For Money10%█▄▂▂▃▃

Sent back due to poor value for money

Not worth for the money even on half price

Definitely overpriced for what was included

Product Condition3%█▁▃▃▁▄

FAQ

Common Knex questions

Answered from the same tracked data.