---
title: "crucible — $869K/yr Amazon United States Niche, Score 60/100 - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/crucible"
last_updated: "2026-07-20T20:19:48.015Z"
locale: en
meta:
  description: "crucible shows low returns (1.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "crucible shows low returns (1.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "crucible — $869K/yr Amazon United States Niche, Score 60/100 - Flapen"
---

# **crucible**

**Worth a look**

Shows low returns (1.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 75Growth 6Conversion 29Competition 79Returns 90Price range 32Avg price 87Brand share 67Review moat 88Quality gap 75

**Returns**

**Great****1.3%**

return rate — above 6% kills the launch gate

**Review moat**

**Great****235.91**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$66.97**

avg listing price — sweet spot $15–$100

**Competition**

**Great****36%**

top-5 click share — an open shelf

**Market size**

**Great****$869K**

$869K/yr · 557K searches

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****65%**

top-5 brand share — brands hold most of the demand

**Price range**

**Okay****$6.51–$273.13**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Okay****2.3%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Bad****-38.9%**

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, crucible is a $869K/yr Amazon United States market (557K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Jan. Verdict: Worth a look — 60/100.

Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **Market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.0M–$1.3M**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**20%**</dd><dd>3 of 15 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**2.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#79**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**90%**</dd>

<dt>**Out of stock**</dt><dd>**13.6%**</dd>

<dt>**Avg brand age**</dt><dd>**41 months**</dd>

<dt>**Avg seller age**</dt><dd>**182 days**</dd>

</dl>

## **Competition**

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

**Brands**

**33 **▲rising

**Sellers**

**48**

**Top-5 brand share**

**65%**

Top 20: 92%

**Top-5 click share**

**36%**

Top 20: 71%

**Open market**

**32%**

- Nelyrho28% - CANALHOUT16% - Coitak8% - SUFJIO7% - Novellaire6% - Molten Masters3%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -38.9% search growth over the last 90 days.

18K13KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.1×

[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/crucible/trend)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%$17K4%$35K6%$52K8%$70K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 58 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Coitak 9 Pieces Graphite Torch Melting Casting Kit Including 2 Crucible Stir Stick 5-in-1 Graphite Casting Ingot Mould Quartz Crucible Cylindrical Graphite A Pair of Gloves Tong for Melt](https://m.media-amazon.com/images/I/41an04Bj-HL.jpg)**Coitak 9 Pieces Graphite Torch Melting Casting Kit Including 2 Crucible Stir Stick 5-in-1 Graphite Casting Ingot Mould Quartz Crucible Cylindrical Graphite A Pair of Gloves Tong for Melt**Coitak**$29.40**4.0★79 rev](https://www.amazon.com/dp/B0FC2C58V4) [2![Nelyrho 8-in-1 Metal Casting Kit Graphite Crucible Graphite Ingot Molds 2 Stir Rods Quartz Cup & Tongs Complete Set for Melting Gold Silver Aluminum Brass](https://m.media-amazon.com/images/I/41OAF5ftbgL.jpg)**Nelyrho 8-in-1 Metal Casting Kit Graphite Crucible Graphite Ingot Molds 2 Stir Rods Quartz Cup & Tongs Complete Set for Melting Gold Silver Aluminum Brass**Nelyrho**$31.64**4.6★100 rev](https://www.amazon.com/dp/B0DX1LDLPZ) [3![CANALHOUT Silicon Carbide Graphite Crucibles Crucibles for Melting Metal Withstand The High Temperature 1800(3272F) Melting Casting Refining Aluminum Gold Silver Copper (4KG No.3)](https://m.media-amazon.com/images/I/41q5lq1DktL.jpg)**CANALHOUT Silicon Carbide Graphite Crucibles Crucibles for Melting Metal Withstand The High Temperature 1800(3272F) Melting Casting Refining Aluminum Gold Silver Copper (4KG No.3)**CANALHOUT**$18.48**4.5★831 rev](https://www.amazon.com/dp/B091C7G4HN) [4![5PCS 2.76Ceramic Quartz Crucible Dish Cup Melting Gold Silver Copper Whip Tongs Handle 2A Jewelry Refining Casting Pot1](https://m.media-amazon.com/images/I/31ZNqGuioRL.jpg)**5PCS 2.76Ceramic Quartz Crucible Dish Cup Melting Gold Silver Copper Whip Tongs Handle 2A Jewelry Refining Casting Pot1**SUFJIO**$12.96**4.3★152 rev](https://www.amazon.com/dp/B0BYW1ZT7P) [5![Nelyrho 6KG Propane Melting Furnace Kit Metal Casting Machine for Gold Silver Copper Jewelry Making & Refining](https://m.media-amazon.com/images/I/41E7hvZc5rL.jpg)**Nelyrho 6KG Propane Melting Furnace Kit Metal Casting Machine for Gold Silver Copper Jewelry Making & Refining**Nelyrho**$162.60**4.5★395 rev](https://www.amazon.com/dp/B0CDKG1N1M)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![GarveeTech Propane Melting Furnace Kit 6 kg Kit 1300C/2372F with Crucibles & Tongs Kiln Stainless Steel Smelter for Metal Scrap Recycle Gold Copper Silver Aluminum Metal Casting Machine](https://m.media-amazon.com/images/I/41I7rXiZV1L.jpg)**GarveeTech Propane Melting Furnace Kit 6 kg Kit 1300C/2372F with Crucibles & Tongs Kiln Stainless Steel Smelter for Metal Scrap Recycle Gold Copper Silver Aluminum Metal Casting Machine**GarveeTech**$97.57**7 rev2mo ago](https://www.amazon.com/dp/B0GYWG9T5D) [![Smart Electric Melting Furnace 2102F PID Smelter Kiln Kit 1800 W 110 V with 3 KG Graphite Crucible Cast & Refine Gold Silver Copper Aluminum in Minutes Jewelry & Hobby Foundry Kit 2026 Upgrade](https://m.media-amazon.com/images/I/51Ro+utt4fL.jpg)**Smart Electric Melting Furnace 2102F PID Smelter Kiln Kit 1800 W 110 V with 3 KG Graphite Crucible Cast & Refine Gold Silver Copper Aluminum in Minutes Jewelry & Hobby Foundry Kit 2026 Upgrade**Cheuyeehui**$273.13**3 rev3mo ago](https://www.amazon.com/dp/B0GLNLPFBV) [![MMasters 6kg Crucible and Tongs Rack for Smelting Metal with a Silicon Carbide Graphite Crucible for Melting Furnace Work Melting Aluminum Copper Jewelry Casting Tools](https://m.media-amazon.com/images/I/31ASCzxq9FL.jpg)**MMasters 6kg Crucible and Tongs Rack for Smelting Metal with a Silicon Carbide Graphite Crucible for Melting Furnace Work Melting Aluminum Copper Jewelry Casting Tools**Molten Masters**$36.96**4 rev3mo ago](https://www.amazon.com/dp/B0GTVMZNRD) [![Luxiys 9 PCS Graphite Torch Melting Casting Kit Including Graphite Casting Ingot Mould Quartz Cup 2 Crucible Stir Stick Graphite Crucible A Pair of Gloves Suitable for Melting and Casting Gold](https://m.media-amazon.com/images/I/413VN4BDmHL.jpg)**Luxiys 9 PCS Graphite Torch Melting Casting Kit Including Graphite Casting Ingot Mould Quartz Cup 2 Crucible Stir Stick Graphite Crucible A Pair of Gloves Suitable for Melting and Casting Gold**Luxiys**$25.53**16 rev3mo ago](https://www.amazon.com/dp/B0GRXXYZSX) [![Graphite Torch Melting Casting Kit 8-in-1 Crucibles for Melting Metal Kit All in One Set Ingot Mould Premium Graphite Crucible for Gold Silver Metal Melting](https://m.media-amazon.com/images/I/41jJOpr0lTL.jpg)**Graphite Torch Melting Casting Kit 8-in-1 Crucibles for Melting Metal Kit All in One Set Ingot Mould Premium Graphite Crucible for Gold Silver Metal Melting**CASIFAVI**$33.73**16 rev5mo ago](https://www.amazon.com/dp/B0GJBP79CY)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Smart Electric Melting Furnace 2102F PID Smelter Kiln Kit 1800 W 110 V with 3 KG Graphite Crucible Cast & Refine Gold Silver Copper Aluminum in Minutes Jewelry & Hobby Foundry Kit 2026 Upgrade](https://m.media-amazon.com/images/I/51Ro+utt4fL.jpg)**Smart Electric Melting Furnace 2102F PID Smelter Kiln Kit 1800 W 110 V with 3 KG Graphite Crucible Cast & Refine Gold Silver Copper Aluminum in Minutes Jewelry & Hobby Foundry Kit 2026 Upgrade**Cheuyeehui**$273.13**3.0★**▲ 300%**](https://www.amazon.com/dp/B0GLNLPFBV) [![Luxiys 9 PCS Graphite Torch Melting Casting Kit Including Graphite Casting Ingot Mould Quartz Cup 2 Crucible Stir Stick Graphite Crucible A Pair of Gloves Suitable for Melting and Casting Gold](https://m.media-amazon.com/images/I/413VN4BDmHL.jpg)**Luxiys 9 PCS Graphite Torch Melting Casting Kit Including Graphite Casting Ingot Mould Quartz Cup 2 Crucible Stir Stick Graphite Crucible A Pair of Gloves Suitable for Melting and Casting Gold**Luxiys**$25.53**4.2★**▲ 291%**](https://www.amazon.com/dp/B0GRXXYZSX) [![MMasters 6kg Crucible and Tongs Rack for Smelting Metal with a Silicon Carbide Graphite Crucible for Melting Furnace Work Melting Aluminum Copper Jewelry Casting Tools](https://m.media-amazon.com/images/I/31ASCzxq9FL.jpg)**MMasters 6kg Crucible and Tongs Rack for Smelting Metal with a Silicon Carbide Graphite Crucible for Melting Furnace Work Melting Aluminum Copper Jewelry Casting Tools**Molten Masters**$36.96**4.7★**▲ 289%**](https://www.amazon.com/dp/B0GTVMZNRD) [![GarveeTech Propane Melting Furnace Kit 6 kg Kit 1300C/2372F with Crucibles & Tongs Kiln Stainless Steel Smelter for Metal Scrap Recycle Gold Copper Silver Aluminum Metal Casting Machine](https://m.media-amazon.com/images/I/41I7rXiZV1L.jpg)**GarveeTech Propane Melting Furnace Kit 6 kg Kit 1300C/2372F with Crucibles & Tongs Kiln Stainless Steel Smelter for Metal Scrap Recycle Gold Copper Silver Aluminum Metal Casting Machine**GarveeTech**$97.57**3.7★**▲ 286%**](https://www.amazon.com/dp/B0GYWG9T5D) [![6KG Propane Melting Furnace Kit - Stainless Steel Smelter with Crucibles & Tongs 1300C 2372F Kiln for Metal Scrap Recycling Gold Copper Silver Aluminum Casting](https://m.media-amazon.com/images/I/41VmFQKqdAL.jpg)**6KG Propane Melting Furnace Kit - Stainless Steel Smelter with Crucibles & Tongs 1300C 2372F Kiln for Metal Scrap Recycling Gold Copper Silver Aluminum Casting**Acekool**$94.60**5.0★**▲ 274%**](https://www.amazon.com/dp/B0G6LGLMHN)

**~~View all trending →~~**

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**24%

*“Excellent quality”*

**Value For Money**14%

*“Decent price”*

**Advertised Vs Actual Product**12%

*“As advertised”*

**Durability**6%

*“Seems durable”*

**Efficiency**6%

*“functions very well”*

**Ease Of Use**5%

*“Easy to use”*

**Size-Overall**4%

*“the sizes are nice”*

**Heating**3%

*“I also liked that the burner produced consistent heat once adjusted correctly”*

**Strength**3%

*“sturdy”*

**Assembly/Installation**2%

*“Assembly took just a few minutes”*

### **What buyers complain about **

**Durability**17%

*“Breaks Too Easily”*

**Size-Overall**17%

*“Too small”*

**Quality-Overall**10%

*“Poor Quality”*

**Heating**10%

*“it would not heat at all”*

**Functionality-Overall**4%

*“I tried the dismount it ro save my gold but couldnt. Now i ll have to hire someone to save it without any loss”*

**Strength**4%

*“Slightly fragile”*

**Value For Money**2%

*“Cheap price cheap product”*

**Instructions/User Manual/Troubleshooting**2%

*“The 'break in' instructions were extensive which I did not follow”*

**Ease Of Use**2%

*“cant be used”*

**Material Quality**2%

*“I didn't like the material it was made out of”*

### **Top return reasons **

**Size-Overall**34%

**Defective Material/Parts**15%

**Heating**14%

**Advertised Vs Actual Product**8%

**Functionality-Overall**7%

**Durability**4%

**Quality-Overall**2%

**Product Condition**2%

**Value For Money**2%

**Material Quality**1%

## **Common questions**

<dl>

<dt>**Is crucible profitable to sell on Amazon United States?**</dt><dd>The niche generates $869K/yr across 58 tracked products. 3 of 15 products launched in the last 360 days are still selling. 90-day search growth is -38.9%. Flapen's verdict: Worth a look (60/100).</dd>

<dt>**How competitive is the crucible niche?**</dt><dd>33 brands and 48 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 65% of demand.</dd>

<dt>**What do buyers complain about in crucible?**</dt><dd>Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 1.3%.</dd>

<dt>**When does demand for crucible peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the crucible niche?**</dt><dd>Listings span $6.51–$273.13; the average listing price is $66.97 (sweet spot $15–$100). The average incumbent carries 236 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Arts, Crafts & Sewing**

- 67 [**graduation tassel charm memorial photo**](https://flapen.com/research/us/arts-crafts-sewing/graduation-tassel-charm-memorial-photo)$80K/yr+312.9%**Worth a look**- 67 [**halloween fabric**](https://flapen.com/research/us/arts-crafts-sewing/halloween-fabric)$80K/yr+204.4%**Worth a look**- 67 [**teacher ribbon**](https://flapen.com/research/us/arts-crafts-sewing/teacher-ribbon)$146K/yr+887.8%**Worth a look**- 67 [**cyanotype kit**](https://flapen.com/research/us/arts-crafts-sewing/cyanotype-kit)$505K/yr+129.8%**Worth a look**- 67 [**chalk markers**](https://flapen.com/research/us/arts-crafts-sewing/chalk-markers)$4.7M/yr+7.7%**Launch it**- 68 [**foam cutter**](https://flapen.com/research/us/arts-crafts-sewing/foam-cutter)$2.1M/yr+3.7%**Launch it**[**All Arts, Crafts & Sewing niches **](https://flapen.com/research/us/arts-crafts-sewing)