rocks for tumbling
Worth a lookShows a sweet-spot price point ($20.71 avg), but soft demand (-16.1% this quarter) keeps it on the watch list.
Avg price
Great$20.71avg listing price — sweet spot $15–$100
Price range
Great$9.56–$52.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.7%return rate — above 6% kills the launch gate
Brand share
Great58%top-5 brand share — no brand owns this niche
Competition
Great40%top-5 click share — an open shelf
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,682.16avg incumbent reviews — the moat a new listing must climb
Market size
Bad$97K$97K/yr · 137K searches
Growth
Bad-16.1%90-day search growth — must beat 0% to launch
Competition
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.Brands
24 falling
Sellers
35
Top-5 brand share
58%
Open market
35%
- Blue Marble17%
- UFEEL11%
- ZAICUS11%
- Rahato10%
- SeeuFun9%
- UU UNIHOM7%
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 45 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
UFEEL 3 LB Bulk Rough Stone Mix Large 1 Natural Raw Crystals for Tumbling Cabbing Polishing Wire Wrapping
UFEEL$19.094.4★3,565 rev
Rahato 5 lbs Rocks for Tumbling Mix Large 1-2 Inch Crystals and Healing Stones Raw Gemstones for Polishing Wicca & Reiki Crystal Healing Rough Rock for Collection Decoration
Rahato$27.974.1★110 rev
SeeuFun 80+Pcs(5lb) Natural Rocks for Tumbling 28Kinds+ Bulk Gemstone Raw Crystals Rough Stones for Polishing Wicca & Reiki Crystal Healing 1-2
SeeuFun$27.574.5★363 rev
UU UNIHOM 3 lbs Bulk Rough Madagascar Stones Mix Large 1 Natural Raw Stones Crystal for Tumbling Cabbing Fountain Rocks Decoration Polishing Wire Wrapping Wicca Reiki Crystal Healing
UU UNIHOM$19.034.4★3,492 rev
Rossecjewel Natural Ethiopian Opal Rough - Stunning Fire Rainbow Rock Specimen 40.00 Carats - Raw Gemstone for DIY Jewelry Making Chakra Healing
Generic$10.332.7★88 rev
Newest
by launch date
KUKUBAGS 2 LBS Rough Rocks for Tumbling Unpolished 1.2-2.5 Inch Rock Tumbler Stones Raw Rainbow Fluorite Healing Stones for Wire Wrapping Wicca Reiki Meditation Collection Decoration
KUKUBAGS$17.0418 rev
3.6lbs Bulk Natural Rocks for Tumbling 25Kinds Rocks Minerals Collections Raw Crystals Rough Stones for Polishing Gemstones Crystals and Healing Stones for Wicca Reiki (3.6lb(60-80pcs))
Rhrina$20.737 rev
5.4lb Bulk Natural Rocks for Tumbling Rocks Minerals Collections Raw Crystals Rough Stones for Polishing Gemstones Crystals and Healing Stones for Wicca Reiki (110-130pcs)
Rhrina$25.9310 rev
Rahato 5 lbs Rocks for Tumbling Mix Large 1-2 Inch Crystals and Healing Stones Raw Gemstones for Polishing Wicca & Reiki Crystal Healing Rough Rock for Collection Decoration
Rahato$27.97110 rev
Rahato 5 lbs Rocks for Tumbling 0.5-1 Inch Crystals and Healing Stones Raw Gemstones for Polishing Wicca & Reiki Crystal Healing Rough Rock for Collection Decoration
Rahato$26.45110 rev
Trending
90-day click momentum
Mahogany Obsidian Rough Stones and Crystals Raw Stones For Jewelry Making Tumbling Bulk Polishing Cabbing Lapidary Fountain Rocks Decoration Wire Wrapping Gem Mining Reiki Healing 1 lb
ZAICUS$18.394.4★
5.4lb Bulk Natural Rocks for Tumbling Rocks Minerals Collections Raw Crystals Rough Stones for Polishing Gemstones Crystals and Healing Stones for Wicca Reiki (110-130pcs)
Rhrina$25.934.0★
BEZAVO Assorted 1lb Raw Crystals Bulk Gemstone Rough Stones Crystals for Tumbling Cabbing Polishing Wire Wrapping Home Office Decor Wicca & Reiki Crystal Healing Good Luck
BEZAVO$19.325.0★
ZAICUS Carnelian Raw Gemstones Rough Crystals and Stones for Tumbling Bulk Jewelry Making Polishing Cabbing Lapidary Fountain Rocks Decoration Wire Wrapping Gem Mining Reiki Healing 1 lb
ZAICUS$20.634.4★
Rainbow Moonstone Raw 1 000+ Carats Stones and Crystals Bulk Rough Gemstones for Rock Tumbler Jewelry Making Polishing Cabbing Lapidary Fountain Rocks Decoration Wire Wrapping Reiki Healing
ZAICUS$16.473.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -16.1% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 3.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Decent price”
“Im very pleased with the variety, quality, and size of the stones”
“Nice collection of good sized”
“As Described”
“the colors look amazing”
“Great gift”
“Fun for the whole family”
“Made my lil rock collecting buddy very happy”
“Very easy to use”
“Beautiful stones”
What buyers complain about
“Very small”
“misleading pictures”
“Complete garbage”
“Stopped working after a few months of constant use”
“no color shining thru them”
“too expensive for my needs”
“Some seem too soft while others are on the extreme hard side”
“only 1/3 turned out with a high bright shine”
“Can be a little loud”
“Total waste of time and money”