---
title: "3doodler Start Refills — £54K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/3doodler-start-refills"
last_updated: "2026-07-31T17:32:58.033Z"
locale: en
meta:
description: "Niche score 39/100 · £54K/yr market · 33K searches/yr · £13.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · £54K/yr market · 33K searches/yr · £13.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "3doodler Start Refills — £54K/yr Amazon UK Niche (2026) - Flapen"
---
# **3doodler start refills**
**Skip it**
Soft demand (-59.1% this quarter) — this niche doesn't clear our bar today.
Market size 13Growth 0Conversion 95Competition 17Returns 93Price range 72Avg price 60Brand share 28Review moat 48Quality gap 38
**Conversion**
**Incredible****12.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Price range**
**Good****£8.26–£32.70**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£13.15**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****1,673.42**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£54K**
£54K/yr · 33K searches
**Growth**
**Bad****-59.1%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, 3doodler start refills is a £54K/yr Amazon United Kingdom market (33K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 39/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **3doodler start refills market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **£39K–£53K**
- units × avg price
- **Conversion rate**
- **12.2%**
- **Avg BSR**
- **#229**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **13.9%**
- **Avg brand age**
- **13 months**
- **Avg seller age**
- **271 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**14**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**7%**
- ytorgr34% - Kretrum30% - GOEDEKE12% - Innovess8% - HEUIOP4% - 3Doodler4% - Open — no brand owns it (3 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 79 weeks — -59.1% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Black Friday '25Holiday '25 seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 9.6×
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/3doodler-start-refills/trend)
## **Top 3doodler start refills search terms**
- **3doodler refills**17K/yr-56.0%11.8% conv. - **3d doodler pen refills**13K/yr-59.7%10.9% conv. - **3doodler start refills**3K/yr-70.5%10.9% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/3doodler-start-refills/search-terms)
## **Top 3doodler start refills 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%10%£5K20%£11K30%£16K40%£21K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ytorgr 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Case 30 Colors**ytorgr**£11.45**4.6★66 rev](https://www.amazon.co.uk/dp/B0FB34WTXW) [2**Kretrum 32 Colors 3D Doodler Pen Refills for 3Doodler Start+ 3D Pen Low Print Temperature 2.5mm PCL Filament Only for 3Doodler Start 3D Pen Each Color 15.2cm x 5 pcs Total 160 pcs**Kretrum**£10.52**4.4★2,555 rev](https://www.amazon.co.uk/dp/B0D9M3K3V4) [3**30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors**GOEDEKE**£11.50**5.0★5 rev](https://www.amazon.co.uk/dp/B0GPWZ546T) [4**Kretrum 250 Strands 25 Colors 3D Doodler Refill Packs for 3Doodler Start+ Pen 2.5mm 3D Doodler Pen Refills PCL Only for 3Doodler Start+ Pen Each Color 10pcs Total 250 pcs**Kretrum**£11.33**4.4★2,563 rev](https://www.amazon.co.uk/dp/B0F66MMQFC) [5**300PCS 3D Pen Refills for 3D Doodler Pen Filament Refills 30 Mixed Colours 2.5mm 3D Printing Pen Refills for Kids PCL Low Print Temperature Refills for Kids Creative Arts and DIY Craft Projects**Innovess**£8.78**4.7★8 rev](https://www.amazon.co.uk/dp/B0GCF34NDV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors**GOEDEKE**£11.50**5 rev4mo ago](https://www.amazon.co.uk/dp/B0GPWZ546T) [**PeakQust 340PCS 3D Pen Filament Refill 34 Colors 2.5mm PCL Low Print Temperature for 3Doodler Start 3D Pen**PeakQust**£12.16**11 rev6mo ago](https://www.amazon.co.uk/dp/B0GG3W276F) [**300PCS 3D Pen Refills for 3D Doodler Pen Filament Refills 30 Mixed Colours 2.5mm 3D Printing Pen Refills for Kids PCL Low Print Temperature Refills for Kids Creative Arts and DIY Craft Projects**Innovess**£8.78**8 rev6mo ago](https://www.amazon.co.uk/dp/B0GCF34NDV) [**HEUIOP 300 PCS 3D Pen Filament Refills for 3doodler Start 3D Pen 2.5mm PCL Low Printing Temperature Filament Refills for Designs Creative Artworks Sculptures (30 Colors)**HEUIOP**£12.97**8 rev8mo ago](https://www.amazon.co.uk/dp/B0FY645VQM) [**300PCS 3D Doodler Pen Refills 3D Pen Filament Refills 32 Mixed Colours Low-Temperature 2.5mm PCL Filament Refills for Kids 3D Printing Pens Creative Arts and DIY Craft Projects**Tuwonwa**£10.10**11 rev10mo ago](https://www.amazon.co.uk/dp/B0FPQYTVK1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**PeakQust 340PCS 3D Pen Filament Refill 34 Colors 2.5mm PCL Low Print Temperature for 3Doodler Start 3D Pen**PeakQust**£12.16**4.6★**▲ 644%**](https://www.amazon.co.uk/dp/B0GG3W276F) [**30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors**GOEDEKE**£11.50**5.0★**▲ 628%**](https://www.amazon.co.uk/dp/B0GPWZ546T) [**300PCS 3D Pen Refills for 3D Doodler Pen Filament Refills 30 Mixed Colours 2.5mm 3D Printing Pen Refills for Kids PCL Low Print Temperature Refills for Kids Creative Arts and DIY Craft Projects**Innovess**£8.78**4.7★**▲ 295%**](https://www.amazon.co.uk/dp/B0GCF34NDV) [**3Doodler Primary Pow Mixed Bag 250 Plastique compostable Bleu Vert Gris Rouge 1 g**3Doodler**£17.27**4.5★**▲ 139%**](https://www.amazon.co.uk/dp/B099X99C92) [**ytorgr 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Case 30 Colors**ytorgr**£11.45**4.6★**▲ 67%**](https://www.amazon.co.uk/dp/B0FB34WTXW)
**~~View all trending →~~**
## **What buyers say about 3doodler start refills**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**19%
*“Good Value”*
**Quality-Overall**17%
*“Excellent quality”*
**Color**16%
*“Good colours”*
**Fun/Entertainment Experience**6%
*“She loves playing with it”*
**Advertised Vs Actual Product**5%
*“Does what it says”*
**3D Effect**5%
*“Works well in the 3Doodler”*
**Creativity**4%
*“Ideal present for a creative child”*
**Ease Of Use**4%
*“Easy to use”*
**Gifting Purpose**2%
*“Brilliant gift”*
**Safety Standards**2%
*“making them safer for kids to use”*
### **What buyers complain about **
**Ease Of Use**11%
*“not that easy to use”*
**Compatibility-Overall**8%
*“Not suitable with 3Doodler pen”*
**Charging**8%
*“Wont charge after a while”*
**Durability**7%
*“Unfortunately for the amount of time that my child likes to create it doesnt last very long”*
**Hard Feel**6%
*“It's initially very fiddly”*
**Quality-Overall**6%
*“the symptoms of my son's efforts point to lower quality grade PCL”*
**Value For Money**4%
*“The only downside is that the refill filaments can add up in price if you get a bit carried away”*
**Shape/Style**4%
**Jamming/Clogging**1%
*“because poor quality filament can easily lead to clogging or uneven flow”*
**Spray/Flow**1%
*“because poor quality filament can easily lead to clogging or uneven flow”*
### **Top return reasons **
**Functionality-Overall**25%
**Size-Overall**19%
**Gifting Purpose**8%
**Compatibility-Overall**6%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**5%
**Durability**4%
**Charging**3%
**Heating**3%
**Quality-Overall**3%
## **Common questions**
- **Is 3doodler start refills profitable to sell on Amazon United Kingdom?**
- The niche generates £54K/yr across 12 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -59.1%. Flapen's verdict: Skip it (39/100).
- **How competitive is the 3doodler start refills niche?**
- 9 brands and 14 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in 3doodler start refills?**
- Top complaints mined from reviews: Ease Of Use, Compatibility-Overall, Charging. The return rate is 1.1%.
- **When does demand for 3doodler start refills peak?**
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 9.6× the quietest.
- **What does it cost to enter the 3doodler start refills niche?**
- Listings span £8.26–£32.70; the average listing price is £13.15 (sweet spot $15–$100). The average incumbent carries 1,673 reviews — the moat a new listing must climb.
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