rapidograph pen
Skip itBrand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Avg price
Incredible$27.25avg listing price — sweet spot $15–$100
Price range
Great$5.35–$82.63cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Review moat
Bad6,505.08avg incumbent reviews — the moat a new listing must climb
Growth
Bad-9.9%90-day search growth — must beat 0% to launch
Market size
Bad$70K$70K/yr · 86K searches
Brand share
Bad94%top-5 brand share — brand-locked demand
Competition
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
93
Top-5 brand share
94%
Open market
5%
- Rotring58%
- Koh-I-Noor20%
- SAKURA10%
- STAEDTLER3%
- TWOHANDS2%
- Grabie2%
- Open — no brand owns it (5 brands, 5%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 36 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
rOtring Isograph Technical Drawing Pen College Set (0.20 0.30 0.50 mm) Includes Pens Pencil Eraser and More - Designed for Precision
Rotring$82.204.7★1,082 rev
rOtring 1903394 Isograph Technical Drawing Pen 0.1 mm
Rotring$31.014.5★1,109 rev
rOtring Isograph Technical Drawing Pen 0.35 mm
Rotring$27.434.4★276 rev
Koh-I-Noor RapidoCraft 4-Pen Set Extra-Fine Fine Medium and Broad Points 1 Set (3065.SET)
Koh-I-Noor$63.474.2★8 rev
rOtring Isograph Junior Set 3X Technical Pens (0.20mm 0.30mm 0.50mm) + Accessories
Rotring$64.804.1★432 rev
Newest
by launch date
Grabie Micro Fineliner Pens 6 Black Fine Line Waterproof Drawing Pens Assorted Point Sizes for Sketching Illustration Journaling Art Supplies
Grabie$12.12139 rev
XWT 12+1 Fineliner Drawing Art Pens Black Waterproof Pigment Ink Set for Artists Sketching Manga Watercolor Calligraphy and Detail Outlining Archival Quality Inking Markers
XWT$9.59628 rev
12-Piece Fineliner Pen Assorted Point Sizes 0.05 to 3mm & Brush Pens for Art Writing & Bullet Journaling (12 Point Sizes)
Lekreo$13.74111 rev
MAIKEDEPOT 16 Pack Micro Fineliner Drawing Pens - Waterproof Black Ink Assorted Tip Sizes for Sketching Manga Anime Comic Art Writing Journaling & Architectural Design
MAIKEDEPOT$7.20278 rev
STAEDTLER Pigment Liner Fineliner Pens Black 6 Pack Assorted Tip Sizes (0.05mm - 0.8mm): Waterproof Drawing & Writing Pens for Note Taking Journaling Sketching Manga & Back to School Supplies
STAEDTLER$10.78445 rev
Trending
90-day click momentumGrabie Micro Fineliner Pens 6 Black Fine Line Waterproof Drawing Pens Assorted Point Sizes for Sketching Illustration Journaling Art Supplies
Grabie$12.124.4★
Koh-I-Noor 3084F Ink - Film 0.75 Oz.
Koh-I-Noor$18.491.0★
Koh-I-Noor Rapidograph Stainless Steel Replacement Point.25mm 1 Each (72D.ZZZ) Black
Koh-I-Noor$30.424.6★
12-Piece Fineliner Pen Assorted Point Sizes 0.05 to 3mm & Brush Pens for Art Writing & Bullet Journaling (12 Point Sizes)
Lekreo$13.744.4★
Koh-I-Noor RapidoCraft 4-Pen Set Extra-Fine Fine Medium and Broad Points 1 Set (3065.SET)
Koh-I-Noor$63.474.2★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.9% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 2.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Build quality feels solid too”
“Great for drawing”
“Excellent value”
“As advertised”
“are perfect size”
“It is water proof”
“excellent color”
“Easy to use”
“Pens feel durable and long lasting”
“Great for artwork”
What buyers complain about
“Sad it doesn't work good”
“Short Lived”
“It is not my job to check their quality control”
“Not good with colored pencils”
“Some of the ones are dry”
“Pens were dried out”
“these pens are not cheap”
“Picture does not depict what the product is”
“NOT WATERPROOF”
“bit smaller than i thought”