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Rock Tumbler Grit

Maybe

An estimated 0.5% of orders come back. But the top 5 brands take 92% of clicks, so Rock Tumbler Grit is a Maybe.

Flapen Score
53
53 / 100
Top 44% of 262 Industrial & Scientific niches · +1 vs the category median of 52
Market size
$786K/yr398K searches / yr
90-day growth
+15.9%search demand this quarter
Competition
76%top-5 click share · 8 brands · 15 sellers

Flapen Score

Rock Tumbler Grit against its category

The dotted line is the Industrial & Scientific average. Past it, Rock Tumbler Grit is stronger. Inside it, weaker.

53Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Rock Tumbler Grit market on Amazon at a glance

Shoppers on Amazon United States searched for Rock Tumbler Grit 398K times last year and spent an estimated $786K. The top 5 brands take 92% of clicks. Demand peaks in Dec. Flapen scores it 53 out of 100, a Maybe.

01 · Demand

An estimated 7.7% of those searches ended in a purchase.

Shoppers searched for this 398K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.7% of those searches ended in a purchase. Searches in the last 90 days moved +15.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $786K a year.

Searches, last 12 months
398K
Growth, 90 days vs prior 90
+15.9%
Conversion, latest week
7.7%
Market size, estimated
$786Ka year
Peak month
December1.8× the quietest month
Top search term
rock tumbler grit152K searches a year

02 · Price

A sale here is worth $25.51.

Listings sell for $25.51 on average, from $7.79 to $40.03. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 2,000 to 2,500 of them. At $25.51 that is $51K to $64K a year per listing.

Average price
$25.51inside the $15 to $100 sweet spot
Price range
$7.79–$40.03
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
25K–30K
Units per listing a year
2,000–2,500
Revenue per listing a year
$51K–$64K
Returns
0.5%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

93% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.1% of listings are out of stock. The average listing ranks #15 within Abrasive & Finishing Products. It carries 3,000 reviews at 4.59 stars, so a new listing needs social proof before a better product.

Sponsored listings
93%
Prime listings
100%
Out of stock, average day
5.1%
Average rank
#15in Abrasive & Finishing Products
Average rating
4.59 starsAmazon United States average 4.42 stars
Average reviews
3,000per listing
Listings tracked
14

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 57 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
57 months

Products

Top Rock Tumbler Grit products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Aug 6, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.

$0$79K$157K$236K$314K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

15

Est. top-5 brand share

92%

Top 20: 100%

Est. top-5 click share

76%

Top 20: 100%

Open market

4%

  • Blue Marble36%
  • LARICEO30%
  • YHAspace11%
  • WKTURN10%
  • KomeStone6%
  • Azefun3%
  • Open — no brand owns it (2 brands, 4%)

Demand

Rock Tumbler Grit search demand

Weekly searches over the year, seasonality beneath. Pick a range.

13K8KHoliday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.8×

Search terms

Top Rock Tumbler Grit search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • rock tumbler grit152K/yr
  • rock tumbling grit45K/yr
  • rock polishing grit27K/yr
  • rock tumbler media23K/yr
  • grit for rock tumbler19K/yr
  • rock tumbling media17K/yr
  • rock tumbling grit and polish11K/yr
  • rock tumbler grit and polish refill20K/yr
  • rock tumbler grit kit8K/yr
  • rock tumbling supplies14K/yr

Reviews and returns

What reviews say buyers love and hate about Rock Tumbler Grit

We read the reviews and the return reasons for every product selling here.

23%of positive reviews mention “Quality-Overall”
17%of negative reviews mention “Functionality-Overall”
0.5%of orders come back
“Doesnt work”
A buyer, on “Functionality-Overall”17% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Rock Tumbler Grit questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data