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Test Tubes

Test Tubes shows a thin review moat (118 avg reviews), but prices mostly outside the sweet spot ($3.03–$13.37) keeps it on the watch list.

Flapen Score

53
Worth a look
Market size 11Growth 23Conversion 74Competition 66Returns 87Price range 0Avg price 19Brand share 87Review moat 94Quality gap 75
This niche Category average

Is Test Tubes profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Test Tubes is a £43K/yr Amazon United Kingdom market (93K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Oct. Verdict: Worth a look — 53/100.

Test Tubes: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -4.7% over the last 90 days and 6.8% of searches end in a purchase.

£43K

revenue / yr

Units sold / yr5K
Search volume / yr-4.7%93K
Conversion rate6.8%
Avg price£6.86

Who owns the niche?

The top 5 brands hold 48% of demand, so 52% of the market is open.

52%

open market share

Brands · sellers26 · 35
Top-5 product click share45%
Open market52%
Avg brand age40 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 29 products

Sponsored placement69%
New entrants (1y)6· 0 succeeded
Avg rating4.3★
Avg reviews118

Top Test Tubes products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

£0£2K£4K£7K£9K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

26 falling

Sellers

35

Top-5 brand share

48%

Top 20: 93%

Top-5 click share

45%

Top 20: 89%

Open market

46%

  • LABUYI22%
  • Tabanzhe7%
  • Rowwait6%
  • soamazing6%
  • QWORK6%
  • ASelected6%

Test Tubes demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume93KCVR6.8%Products29Brands26Top 5 Brands48%OOS Rate5.0%Rating4.3★Reviews118Avg BSR#72
3K2KSpike '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.5×

Top Test Tubes search terms shoppers use

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

  • test tubes37K/yr
  • plastic test tubes12K/yr
  • test tube10K/yr
  • test tubes with lids9K/yr
  • plastic tubes with lids8K/yr
  • glass test tubes6K/yr
  • plastic test tubes with lids6K/yr
  • glass tubes3K/yr
  • tubes with lids1K/yr
  • test lab tubes1K/yr

What reviews say buyers love and hate about Test Tubes

What buyers mention most, as a share of all reviews.

What buyers love

92% of reviews
Quality-Overall26%

Great quality

Value For Money19%

Cheap

Advertised Vs Actual Product16%

And worked well for what I needed

Strength7%

Theyre fairly sturdy

Size-Overall6%

Good Size Would Recommend Thanks

What buyers complain about

68% of reviews
Size-Overall37%

they won't fit

Thickness13%

They were just as expected not the thickest of glass

Quality-Overall12%

Cheap, bulk, not the fanciest

Material Quality3%

despite being plastic

Advertised Vs Actual Product3%

I knew they didnt from the picture

Test Tubes return rate & reasons

Why buyers send it back, as a share of all return requests.

1.4%

Return rate

82%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
77%
2Defective Material/Parts
4%
3Advertised Vs Actual Product
3%
4Thin
3%
5Leak-Proof
3%

Common Test Tubes questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Test Tubes 53/100 on Amazon United Kingdom — Worth a look. The niche generates £43K/yr across 29 tracked products. 0 of 6 products launched in the last 360 days are still selling. Search demand moved -4.7% over the last 90 days.
Search demand for Test Tubes on Amazon United Kingdom peaks in Oct, where the busiest month runs 1.5× the quietest.