crucible
Worth a lookShows a thin review moat (147 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Great147.29avg incumbent reviews — the moat a new listing must climb
Returns
Great1.3%return rate — above 5% kills the launch gate
Avg price
Great$65.87avg listing price — sweet spot $15–$100
Market size
Great$1.2M$1.2M/yr · 526K searches
Competition
Great37%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Good62%top-5 brand share — brands hold most of the demand
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Price range
Okay$6.51–$272.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-36.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, crucible is a $1.2M/yr Amazon United States market (526K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Jan. Verdict: Worth a look — 64/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
crucible market data
- Units sold / yr
- 15K–20K
- avg 100–250/product
- Revenue / yr
- $988K–$1.3M
- units × avg price
- Conversion rate
- 3.5%
- Avg BSR
- #78
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 8.6%
- Avg brand age
- 36 months
- Avg seller age
- 189 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
35 rising
Sellers
48
Top-5 brand share
62%
Top 20: 90%
Top-5 click share
37%
Top 20: 72%
Open market
34%
- Nelyrho27%
- CANALHOUT16%
- Coitak7%
- SUFJIO7%
- Novellaire6%
- QNK4%
Demand & seasonality
Weekly Amazon search volume, last 109 weeks — -36.0% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.9×
Top crucible search terms
- crucible195K/yr
- crucibles for melting metal107K/yr
- gold melting kit39K/yr
- graphite crucible37K/yr
- silver melting kit20K/yr
- crucible kit13K/yr
- smelting kit16K/yr
- melting crucible16K/yr
- smelting tools12K/yr
- crisol para fundir oro9K/yr
Top crucible 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CANALHOUT 4Kg Graphite Crucible w/Pouring Spout for Melting Metal
CANALHOUT$18.504.5★90 rev
Nelyrho 8-in-1 Metal Casting Kit Graphite Crucible Set for Melting Metals
Nelyrho$31.614.6★110 rev
Coitak 9 Pieces Graphite Torch Melting Casting Kit Graphite Ingot Mould
Coitak$29.494.0★90 rev
Nelyrho 6KG Propane Melting Furnace Kit 2500F Stainless Steel Smelter
Nelyrho$162.354.5★332 rev
5PCS 2.76Ceramic Quartz Crucible Dish Cup Melting Gold Silver Copper Whip Tongs Handle 2A Jewelry Refining Casting Pot1
SUFJIO$12.444.3★164 rev
Newest
by launch date
Garvee 12KG Stainless Steel Propane Melting Furnace Kit with Crucible and Tongs Complete Home Foundry Set for Scrap Metal Recycling Gold Silver Copper and Aluminum Smelting and Refining
Garvee$141.342 rev
GarveeTech Smelting Furnace kit 6 KG Propane Melting Furnace Kit
GarveeTech$98.9410 rev
Nelyrho 3KG Propane Melting Furnace Kit Beginner-Friendly
Nelyrho$111.8690 rev
Coitak 9 Pieces Graphite Torch Melting Casting Kit Graphite Ingot Mould
Coitak$29.4990 rev
Nelyrho 3KG Propane Melting Furnace Kit Beginner Smelter Set
Nelyrho$135.0442 rev
Trending
90-day click momentumGarvee 12KG Stainless Steel Propane Melting Furnace Kit with Crucible and Tongs Complete Home Foundry Set for Scrap Metal Recycling Gold Silver Copper and Aluminum Smelting and Refining
Garvee$141.345.0★
GarveeTech Smelting Furnace kit 6 KG Propane Melting Furnace Kit
GarveeTech$98.943.8★
QNK #3-3kg Clay Graphite Crucible for Melting Metal
QNK$19.454.5★
Graphite Crucible 1kg/2kg/3kg High Purity Graphite Crucible Melting Gold Silver Copper Furnace Casting Mould Melt Jewelry Tools (3 KG)
GANGOU$28.904.3★
CANALHOUT 4Kg Graphite Crucible w/Pouring Spout for Melting Metal
CANALHOUT$18.504.5★
What buyers say about crucible
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Good deal”
“Exactly what I wanted”
“I also liked that the burner produced consistent heat once adjusted correctly”
“Seems durable”
“easy to use”
“it does the job pretty well”
“Perfect size”
“Easy to setup”
“sturdy”
What buyers complain about
“Too small”
“Breaks Too Easily”
“Not a consistent heat”
“the quality control is unacceptable”
“Regulator limit is reason for lack of performance”
“can break easily”
“Unclear instructions”
“the heat is not consistent which gave an unsafe concern”
“Rough Finish”
“Cheap price cheap product”
Top return reasons
Common questions
- Is crucible profitable to sell on Amazon United States?
- The niche generates $1.2M/yr across 59 tracked products. 1 of 14 products launched in the last 360 days are still selling. 90-day search growth is -36.0%. Flapen's verdict: Worth a look (64/100).
- How competitive is the crucible niche?
- 35 brands and 48 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in crucible?
- Top complaints mined from reviews: Size-Overall, Durability, Heating. The return rate is 1.3%.
- When does demand for crucible peak?
- Demand peaks in Jan; the busiest month runs 1.9× the quietest.
- What does it cost to enter the crucible niche?
- Listings span $6.51–$272.31; the average listing price is $65.87 (sweet spot $15–$100). The average incumbent carries 147 reviews — the moat a new listing must climb.