liquid pen
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.2%return rate — above 6% kills the launch gate
Avg price
Great$19.02avg listing price — sweet spot $15–$100
Price range
Great$11.50–$28.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Okay1,971.24avg incumbent reviews — the moat a new listing must climb
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Market size
Okay$124K$124K/yr · 263K searches
Growth
Bad-17.1%90-day search growth — must beat 0% to launch
Brand share
Bad97%top-5 brand share — brand-locked demand
Competition
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
19
Top-5 brand share
97%
Open market
1%
- Lifelines69%
- Mindscope18%
- Abhay4%
- YoYa Toys3%
- YUE MOTION2%
- Special Supplies2%
- Open — no brand owns it (1 brand, 1%)
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 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Lifelines Scented Lava Gel Pen Set 5-Pack (Brights) - 0.5mm Colored Gel Pens Infused with Scented Essential Oil Blends & Mesmerizing Lava - School Supplies for College Kids & Adults
Lifelines$18.634.2★1,276 rev
Lifelines Scented Lava Gel Pen Set 10-Pack (Multi-Color) - 0.5mm Colored Gel Pens Infused with Scented Essential Oil Blends & Mesmerizing Lava - School Supplies for College Kids & Adults
Lifelines$28.854.2★1,276 rev
Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Blue/Orange)
Mindscope$24.993.6★12 rev
Lifelines Pen Diffuser Set Natures Escape 3-Pack 1mm Black Ballpoint Pens with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write
Lifelines$28.904.4★2,108 rev
Lifelines Pen Diffuser Crisp Mountain Air - 1mm Black Ballpoint Pen with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write
Lifelines$12.614.4★2,108 rev
Newest
by launch dateMindscope BubbleFX LED Light Up Bubble Sculptor Pen (Blue/Orange)
Mindscope$24.9912 rev
Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Green/Yellow)
Mindscope$24.9312 rev
Smens Scented Glitter Gel Pens 12 Pack Colored Gel Pens with Sparkly Ink & Gourmet Scented Grips Fun School Supplies Cute Journaling Pens & Creative Stationery Gift Set
Scentco$11.9411,717 rev
Lifelines Scented Lava Gel Pen Set 10-Pack (Multi-Color) - 0.5mm Colored Gel Pens Infused with Scented Essential Oil Blends & Mesmerizing Lava - School Supplies for College Kids & Adults
Lifelines$28.851,276 rev
Lifelines Writing Wellness Gift Set - Scented Writing Set Includes Finger Maze Sensory Journal 3 Scented Stacking Highlighters & 2 Lava Gel Pens - Aromatherapy & Sensory Immersion
Lifelines$19.86362 rev
Trending
90-day click momentumMindscope BubbleFX LED Light Up Bubble Sculptor Pen (Green/Yellow)
Mindscope$24.933.6★
Mindscope BubbleFX LED Light Up Bubble Sculptor Pen (Blue/Orange)
Mindscope$24.993.6★
Lifelines Pen Diffuser Set Diner Classics 3-Pack - 1mm Black Ballpoint Pens with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write
Lifelines$22.414.4★
Lifelines Pen Diffuser Set Natures Escape 3-Pack 1mm Black Ballpoint Pens with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write
Lifelines$28.904.4★
Lifelines Pen Diffuser Crisp Mountain Air - 1mm Black Ballpoint Pen with Scented Essential Oil Blends Aromatherapy Diffuser & Sensory Immersion Diffuse Aroma As You Write
Lifelines$12.614.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -17.1% search growth over the last 90 days.Peak months: Jan, Mar, Nov, Dec · busiest ÷ quietest = 7.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“the smell is beautiful”
“you have a great toy”
“the colors are very bright”
“Writes nice”
“Overall, this set is awesome, especially if you journal or take notes”
“value for the money”
“My friend absolutely loved this gift I got her for Christmas”
“It is a very durable product”
“Glitter gel pens are great”
“as advertised,”
What buyers complain about
“Weird smell”
“they were more expensive in the store so I was able to get them bit cheaper here”
“Don't last”
“it stops working randomly”
“Pens were not good quality”
“Pens dont write”
“leaked everywhere”
“Two out of the three pens ink was dry”
“BUT the ink went out on each in about one day”
“The red and orange dont work well”