math stamp roller
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Review moat
Great132.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Good$13.79avg listing price — sweet spot $15–$100
Growth
Okay+19.1%90-day search growth — must beat 0% to launch
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Price range
Bad$9.93–$16.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$44K$44K/yr · 84K searches
Competition
Bad97%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, math stamp roller is a $44K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 41/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
math stamp roller market data
- Units sold / yr
- 3K–4K
- avg 500–750/product
- Revenue / yr
- $41K–$55K
- units × avg price
- Conversion rate
- 3.8%
- Avg BSR
- #94
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 83%
- Out of stock
- 20.9%
- Avg brand age
- 37 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
11
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
97%
Top 20: 100%
Open market
0%
- GoldenEgg71%
- Dykofy16%
- Generic5%
- UDEEF4%
- KIMPOK3%
Demand
Weekly Amazon search volume, last 16 weeks — +19.1% search growth over the last 90 days.Top math stamp roller search terms
- math roller stamp17K/yr
- math teacher roller stamp8K/yr
- math stamp roller16K/yr
- math teacher 4 in 1 roller stamp6K/yr
- math roller stamp for kids11K/yr
- math stamp8K/yr
- golden egg math roller stamp3K/yr
- math problem roller stamp4K/yr
- 4 in 1 math stamp roller5K/yr
- math roller5K/yr
Top math stamp roller 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GoldenEgg Math Teacher 4-in-1 Math Roller Stamp Addition Subtraction Multiplication & Fill-in-the-Blank Practice Tool for Kids Classroom & Home Use (Blue)
GoldenEgg$16.014.5★129 rev
GoldenEgg Math Teacher 4-in-1 Math Roller Stamp Addition Subtraction Multiplication & Fill-in-the-Blank Practice Tool for Kids Classroom & Home Use (Pink)
GoldenEgg$15.994.5★129 rev
Dykofy Math Roller Stamp for Kids - Addition Subtraction Multiplication Division Worksheet Maker - Home School Classroom Math Practice Tool for Kids Ages 5 to10 - Math Teacher Gifts Back to School
Dykofy$15.954.3★12 rev
4 in 1 Math Roller Stamp Set Math Stamp Roller Randomized Addition Subtraction Multiplication Division Practice Tool Roller Digital Teaching Stamps W/Refill Ink Fun Math Gift for Kids Classroom Use
Generic$10.953.6★18 rev
UDEEF 4PCS Smart Math Stamp Set Reusable Roller Tools for Addition Subtraction Multiplication & Division Practice Educational Supplies for Kids Preschool & Classroom Use
UDEEF$9.933.9★494 rev
Newest
by launch dateDykofy Math Roller Stamp for Kids - Addition Subtraction Multiplication Division Worksheet Maker - Home School Classroom Math Practice Tool for Kids Ages 5 to10 - Math Teacher Gifts Back to School
Dykofy$15.9512 rev
4-in-1 Number Line & Math Roller Stamp
KIMPOK$13.9113 rev
4 in 1 Math Roller Stamp Set Math Stamp Roller Randomized Addition Subtraction Multiplication Division Practice Tool Roller Digital Teaching Stamps W/Refill Ink Fun Math Gift for Kids Classroom Use
Generic$10.9518 rev
GoldenEgg Math Teacher 4-in-1 Math Roller Stamp Addition Subtraction Multiplication & Fill-in-the-Blank Practice Tool for Kids Classroom & Home Use (Blue)
GoldenEgg$16.01129 rev
GoldenEgg Math Teacher 4-in-1 Math Roller Stamp Addition Subtraction Multiplication & Fill-in-the-Blank Practice Tool for Kids Classroom & Home Use (Pink)
GoldenEgg$15.99129 rev
Trending
90-day click momentum4-in-1 Number Line & Math Roller Stamp
KIMPOK$13.914.4★
Dykofy Math Roller Stamp for Kids - Addition Subtraction Multiplication Division Worksheet Maker - Home School Classroom Math Practice Tool for Kids Ages 5 to10 - Math Teacher Gifts Back to School
Dykofy$15.954.3★
GoldenEgg Math Teacher 4-in-1 Math Roller Stamp Addition Subtraction Multiplication & Fill-in-the-Blank Practice Tool for Kids Classroom & Home Use (Blue)
GoldenEgg$16.014.5★
GoldenEgg Math Teacher 4-in-1 Math Roller Stamp Addition Subtraction Multiplication & Fill-in-the-Blank Practice Tool for Kids Classroom & Home Use (Pink)
GoldenEgg$15.994.5★
UDEEF 4PCS Smart Math Stamp Set Reusable Roller Tools for Addition Subtraction Multiplication & Division Practice Educational Supplies for Kids Preschool & Classroom Use
UDEEF$9.933.9★
What buyers say about math stamp roller
What buyers praise and complain about, mined from review topics.What buyers love
“Keeps the kids entertained”
“Great for elementary age kids”
“Easy to use”
“Great value”
“feels well made”
“It was a gift on a teacher's wish list - she was very excited when they arrived”
“This works very well”
“One feature I particularly appreciated is the ability to manually adjust the rollers”
“so they fit everywhere”
“- It seems well built”
What buyers complain about
“Leaks ink- even came in the mail with ink leaked on box”
“Horrible quality”
“Do not buy did not match the descriptions”
“A little small for younger children”
“Not enough space for kids to write the answer”
“I had to clean it”
“Not practical”
“Not what I paid for”
“On opening, there are no instructions”
“The stamp is plastic”
Top return reasons
Common questions
- Is math stamp roller profitable to sell on Amazon United States?
- The niche generates $44K/yr across 6 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +19.1%. Flapen's verdict: Skip it (41/100).
- How competitive is the math stamp roller niche?
- 5 brands and 11 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in math stamp roller?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Advertised Vs Actual Product. The return rate is 0.5%.
- What does it cost to enter the math stamp roller niche?
- Listings span $9.93–$16.01; the average listing price is $13.79 (sweet spot $15–$100). The average incumbent carries 133 reviews — the moat a new listing must climb.