Is test tubes profitable to sell on Amazon United Kingdom?

The niche generates £43K/yr across 29 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Worth a look (53/100).

How competitive is the test tubes niche?

26 brands and 35 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in test tubes?

Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 1.4%.

When does demand for test tubes peak?

Demand peaks in Oct; the busiest month runs 1.5× the quietest.

What does it cost to enter the test tubes niche?

Listings span £3.03–£13.37; the average listing price is £6.86 (sweet spot $15–$100). The average incumbent carries 118 reviews — the moat a new listing must climb.

test tubes

Worth a look

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.

Review moat

Great118.14

avg incumbent reviews — the moat a new listing must climb

Brand share

Great48%

top-5 brand share — no brand owns this niche

Returns

Great1.4%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.8%

search→purchase rate — share of searches ending in a sale

Competition

Good45%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-4.7%

90-day search growth — must beat 0% to launch

Avg price

Bad£6.86

avg listing price — sweet spot $15–$100

Market size

Bad£43K

£43K/yr · 93K searches

Price range

Bad£3.03–£13.37

cheapest to priciest tracked listing — scored on the share inside $15–$100

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.

Data updated Jul 21, 2026 · scored weekly · How we score niches

Competition & brand share

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

Brands

26 falling

Sellers

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%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.7% search growth over the last 90 days.

Peak months: Oct · busiest ÷ quietest = 1.5×

Open Trend

All search terms

Top test tubes products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

15PCS test tubes Clear Plastic Test Tubes with Cork Stoppers test tubes with lids plastic test tubes plastic test tubes with lids for DIY Craft Laboratory Spices Liquids Candy Party 12mm×75mm

LABUYI£3.384.4★578 rev

Tabanzhe Plastic Test Tubes-10PCS Clear Test Tubes with Cork Stopper 10ml 15x100mm Sealing Storage Tubes with Lids for Spices Liquids Sweets Candy Seeds Beads Lab DIY Craft Favours

Tabanzhe£3.494.1★16 rev

10pcs Clear Plastic Test Tubes with Cork Stoppers Transparent Plastic Test Tubes Sealing Storage Test Tube for Jewelry Seed Beads Powder Spice Liquid Storage Lab Use or Decoration(16 * 100mm)

Rowwait£3.034.6★36 rev

Plastic Test Tubes Pack of 20 Plastic Sample Test Tubes Gift Tubes with Caps 12*75mm Transparent

soamazing£4.113.9★244 rev

QWORK 20 Pack Borosilicate Glass Test Tubes 20 mm OD X 150 mm Length Round Bottom Test Tubes

QWORK£8.244.6★138 rev

Newest

by launch date

12 Pcs Test Tube Red Test Bottle Rack 100ml Clear Transparent Storage Container Tubes for Lab DIY Crafts Lab with Stickers

Evewind£6.440 rev

5mo ago

Minnhua Test Tubes 50ml Plastic Test Tubes with Lids 20pcs Screw Top Test Tubes Transparent Flat Bottomed Storage Test Tubes for Flowers Bath Salt Candy Sensory Tubes Baby Shower Wedding Favour

Minnhua£7.941 rev

6mo ago

11 Pcs 40ml Plastic Test Tubes with Lids Reusable Transparent Test Tube ShotsTest Tubes with Corks Clear Sample Tube Vases for Lab DIY Arts and Crafts Sweets Decorations with Kraft Labels/Funnel

BJBJJIU£4.165 rev

7mo ago

Akamino 12 Pcs Glass Test Tubes with Rack 25ml Clear Lab Test Tube with Cork Stoppers & Acrylic Holder12 Holes Tubes Rack Kit for DIY Craft Experiments Decorations - 2 Clean Brush

Akamino£10.772 rev

7mo ago

SYEYCW 18 Pcs Transparent Flower Water Tubes Plastic Floral Test Tubes with Caps Reusable Clear Flower Storage Vials Floral Water Vials for Keeping Plants Fresh for Plants Arrangements Decoration

SYEYCW£5.118 rev

10mo ago

What buyers say about test tubes

What buyers praise and complain about, mined from review topics.

What buyers love

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”

Durability4%

“so I would say durability was good”

Leak-Proof4%

“completely leak proof”

Storage Capacity3%

“These are great for storing all kinds of things such as pen refills, paperclips, small tools, screws, electronic components and more”

Efficiency3%

“Did the Job”

Weight Light3%

“Light weight test tubes”

What buyers complain about

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”

Top return reasons

Size-Overall77%

Defective Material/Parts4%

Advertised Vs Actual Product3%

Thin3%

Leak-Proof3%

Strength2%

Compatibility-Overall2%

Quality-Overall1%

Ease Of Use1%

Material Quality1%

Common questions

Is test tubes profitable to sell on Amazon United Kingdom?: The niche generates £43K/yr across 29 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Worth a look (53/100).
How competitive is the test tubes niche?: 26 brands and 35 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in test tubes?: Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 1.4%.
When does demand for test tubes peak?: Demand peaks in Oct; the busiest month runs 1.5× the quietest.
What does it cost to enter the test tubes niche?: Listings span £3.03–£13.37; the average listing price is £6.86 (sweet spot $15–$100). The average incumbent carries 118 reviews — the moat a new listing must climb.

test tubes

test tubes market data

Competition & brand share

Demand & seasonality

Top test tubes search terms