---
title: "Test Tubes — £43K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/test-tubes"
last_updated: "2026-07-31T13:40:31.137Z"
locale: en
meta:
description: "Niche score 53/100 · £43K/yr market · 93K searches/yr. Prices mostly outside the sweet spot ($3.03–$13.37) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · £43K/yr market · 93K searches/yr. Prices mostly outside the sweet spot ($3.03–$13.37) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Test Tubes — £43K/yr Amazon UK Niche (2026) - Flapen"
---
# **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.
Market size 11Growth 23Conversion 74Competition 66Returns 87Price range 0Avg price 19Brand share 87Review moat 94Quality gap 75
**Review moat**
**Great****118.14**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****45%**
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 ~~](https://flapen.com/research/methodology)
## **test tubes market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **£27K–£34K**
- units × avg price
- **Conversion rate**
- **6.8%**
- **Avg BSR**
- **#72**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **69%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **225 days**
## **Competition & brand share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**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%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.7% search growth over the last 90 days.
3K2KSpike '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/test-tubes/trend)
## **Top test tubes search terms**
- **test tubes**37K/yr+3.1%3.8% conv. - **plastic test tubes**12K/yr+4.7%3.7% conv. - **test tube**10K/yr-2.8%3.5% conv. - **test tubes with lids**9K/yr-5.6%5.0% conv. - **plastic tubes with lids**8K/yr-22.7%1.3% conv. - **glass test tubes**6K/yr+3.7%2.9% conv. - **plastic test tubes with lids**6K/yr-17.8%3.8% conv. - **glass tubes**3K/yr-3.6%1.1% conv. - **tubes with lids**1K/yr-13.0%0.9% conv. - **test lab tubes**1K/yr-78.1%1.3% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/test-tubes/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.
0%5%£2K10%£4K15%£7K20%£9K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**£3.38**4.4★578 rev](https://www.amazon.co.uk/dp/B0CCJ2FX53) [2**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**£3.49**4.1★16 rev](https://www.amazon.co.uk/dp/B0DPZZHTPF) [3**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**£3.03**4.6★36 rev](https://www.amazon.co.uk/dp/B0C1TZ2J4D) [4**Plastic Test Tubes Pack of 20 Plastic Sample Test Tubes Gift Tubes with Caps 12*75mm Transparent**soamazing**£4.11**3.9★244 rev](https://www.amazon.co.uk/dp/B075G434TM) [5**QWORK 20 Pack Borosilicate Glass Test Tubes 20 mm OD X 150 mm Length Round Bottom Test Tubes**QWORK**£8.24**4.6★138 rev](https://www.amazon.co.uk/dp/B0D6XMYT5J)
**~~View all top sellers →~~**
### **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**£6.44**0 rev5mo ago](https://www.amazon.co.uk/dp/B0GJMFBLZ2) [**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**£7.94**1 rev6mo ago](https://www.amazon.co.uk/dp/B0GH5LFJCC) [**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**£4.16**5 rev7mo ago](https://www.amazon.co.uk/dp/B0G7FG2Y5V) [**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**£10.77**2 rev7mo ago](https://www.amazon.co.uk/dp/B0G4M14NJN) [**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**£5.11**8 rev10mo ago](https://www.amazon.co.uk/dp/B0FP16VB9D)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**£7.94**4.0★**▲ 269%**](https://www.amazon.co.uk/dp/B0GH5LFJCC) [**12 Pcs Test Tube Red Test Bottle Rack 100ml Clear Transparent Storage Container Tubes for Lab DIY Crafts Lab with Stickers**Evewind**£6.44**0.0★**▲ 223%**](https://www.amazon.co.uk/dp/B0GJMFBLZ2) [**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**£4.16**4.4★**▲ 212%**](https://www.amazon.co.uk/dp/B0G7FG2Y5V) [**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**£10.77**5.0★**▲ 196%**](https://www.amazon.co.uk/dp/B0G4M14NJN) [**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**£5.11**4.8★**▲ 123%**](https://www.amazon.co.uk/dp/B0FP16VB9D)
**~~View all trending →~~**
## **What buyers say about test tubes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**26%
*“Great quality”*
**Value For Money**19%
*“Cheap”*
**Advertised Vs Actual Product**16%
*“And worked well for what I needed”*
**Strength**7%
*“Theyre fairly sturdy”*
**Size-Overall**6%
*“Good Size Would Recommend Thanks”*
**Durability**4%
*“so I would say durability was good”*
**Leak-Proof**4%
*“completely leak proof”*
**Storage Capacity**3%
*“These are great for storing all kinds of things such as pen refills, paperclips, small tools, screws, electronic components and more”*
**Efficiency**3%
*“Did the Job”*
**Weight Light**3%
*“Light weight test tubes”*
### **What buyers complain about **
**Size-Overall**37%
*“they won't fit”*
**Thickness**13%
*“They were just as expected not the thickest of glass”*
**Quality-Overall**12%
*“Cheap, bulk, not the fanciest”*
**Material Quality**3%
*“despite being plastic”*
**Advertised Vs Actual Product**3%
*“I knew they didnt from the picture”*
### **Top return reasons **
**Size-Overall**77%
**Defective Material/Parts**4%
**Advertised Vs Actual Product**3%
**Thin**3%
**Leak-Proof**3%
**Strength**2%
**Compatibility-Overall**2%
**Quality-Overall**1%
**Ease Of Use**1%
**Material Quality**1%
## **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.
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