3doodler start refills
Skip itSoft demand (-59.1% this quarter) — this niche doesn't clear our bar today.
Conversion
Incredible12.2%search→purchase rate — share of searches ending in a sale
Returns
Great1.1%return rate — above 5% kills the launch gate
Price range
Good£8.26–£32.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good£13.15avg listing price — sweet spot $15–$100
Review moat
Okay1,673.42avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Competition
Bad80%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
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
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.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 9.6×
Top 3doodler start refills search terms
- 3doodler refills17K/yr
- 3d doodler pen refills13K/yr
- 3doodler start refills3K/yr
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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ytorgr 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Case 30 Colors
ytorgr£11.454.6★66 rev
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£10.524.4★2,555 rev
30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors
GOEDEKE£11.505.0★5 rev
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£11.334.4★2,563 rev
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£8.784.7★8 rev
Newest
by launch date30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors
GOEDEKE£11.505 rev
PeakQust 340PCS 3D Pen Filament Refill 34 Colors 2.5mm PCL Low Print Temperature for 3Doodler Start 3D Pen
PeakQust£12.1611 rev
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£8.788 rev
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£12.978 rev
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£10.1011 rev
Trending
90-day click momentumPeakQust 340PCS 3D Pen Filament Refill 34 Colors 2.5mm PCL Low Print Temperature for 3Doodler Start 3D Pen
PeakQust£12.164.6★
30 Colors 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Contains 5 Fluorescent Colors
GOEDEKE£11.505.0★
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£8.784.7★
3Doodler Primary Pow Mixed Bag 250 Plastique compostable Bleu Vert Gris Rouge 1 g
3Doodler£17.274.5★
ytorgr 300PCS 3D Pen Filament Refill for 3doodler Start 3D Pen 2.5mm PCL Low Print Temperature Refills Case 30 Colors
ytorgr£11.454.6★
What buyers say about 3doodler start refills
What buyers praise and complain about, mined from review topics.What buyers love
“Good Value”
“Excellent quality”
“Good colours”
“She loves playing with it”
“Does what it says”
“Works well in the 3Doodler”
“Ideal present for a creative child”
“Easy to use”
“Brilliant gift”
“making them safer for kids to use”
What buyers complain about
“not that easy to use”
“Not suitable with 3Doodler pen”
“Wont charge after a while”
“Unfortunately for the amount of time that my child likes to create it doesnt last very long”
“It's initially very fiddly”
“the symptoms of my son's efforts point to lower quality grade PCL”
“The only downside is that the refill filaments can add up in price if you get a bit carried away”
“because poor quality filament can easily lead to clogging or uneven flow”
“because poor quality filament can easily lead to clogging or uneven flow”
Top return reasons
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.