---
title: "Mold Star 15 Slow — $112K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/mold-star-15-slow"
last_updated: "2026-08-09T23:05:08.776Z"
locale: en
meta:
description: "Niche score 39/100 · $112K/yr market · 29K searches/yr · $64.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $112K/yr market · 29K searches/yr · $64.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mold Star 15 Slow — $112K/yr Amazon US Niche (2026) - Flapen"
---
# **mold star 15 slow**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 27Growth 32Conversion 68Competition 19Returns 84Price range 38Avg price 88Brand share 0Review moat 43Quality gap 35
**Avg price**
**Great****$64.36**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,200.31**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****$14.62–$240.66**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+5.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$112K**
$112K/yr · 29K searches
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, mold star 15 slow is a $112K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mold star 15 slow market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$129K–$161K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#180**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **200 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**14**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**0%**
- Smooth-On67% - Smooth-On, Inc.20% - BBDINO8% - LET'S RESIN3% - Smooth On, Inc.2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.5% search growth over the last 90 days.
700500Prime Day '24Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/mold-star-15-slow/trend)
## **Top mold star 15 slow search terms**
- **smooth on silicone**14K/yr+4.7%2.4% conv. - **mold star 30**5K/yr+19.7%7.2% conv. - **mold star**3K/yr+24.9%5.2% conv. - **mold star 15 slow**2K/yr+13.6%11.5% conv. - **oomoo 30**3K/yr-26.7%11.5% conv. - **oomoo**1K/yr-22.1%9.2% conv. - **oomoo 30 silicone rubber**375/yr+50.0%6.1% conv. - **smooth on silicone mold making rubber**215/yr-32.6%0.0% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/mold-star-15-slow/search-terms)
## **Top mold star 15 slow 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.
0%10%$11K20%$22K30%$34K40%$45K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Smooth-On Mold Star 30 Silicone Mold Making Kit - Easy to Use & Long-Lasting Silicone Mold (2-Pound)**Smooth-On**$36.17**4.6★743 rev](https://www.amazon.com/dp/B00ETAY8RI) [2**Mold Star 15 Slow - 1A:1B Mix By Volume Platinum Silicone Rubber - Pint Unit**Smooth-On, Inc.**$36.37**4.6★2,241 rev](https://www.amazon.com/dp/B00ATDV5BQ) [3**Smooth-On Mold Star 16 Fast Platinum Silicone Rubber Silicone Mold Making Kit - Pint Unit**Smooth-On**$35.94**4.6★778 rev](https://www.amazon.com/dp/B00ELLRSY0) [4**Smooth-On OOMOO 30 Tin Cure Silicone Rubber Easy to Use Silicone Mold Making Kit Pint Unit**Smooth-On**$37.71**4.3★3,763 rev](https://www.amazon.com/dp/B004BNF3TK) [5**BBDINO Silicone Mold Making Kit Liquid Silicone for Molds Making 30A Sapphire Blue High Strength Silicon Rubber 4.4 lbs 1:1 by Volume Ideal for Mold Casting of Resin/Jewelry/Candle/Concrete/Plaster**BBDINO**$44.87**4.6★3,180 rev](https://www.amazon.com/dp/B0C6DQZQCQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BBDINO Silicone Mold Making Kit 30A Liquid Silicon for Molds Making 38.8 OZ Quick Cure Molding Silicone Rubber 1:1 Ideal for Silicon Resins Soap Concrete Wax Mold-Casting Sapphire Blue**BBDINO**$27.01**3,180 rev1y ago](https://www.amazon.com/dp/B0DN68VPFJ) [**BBDINO Silicone Mold Making Kit Liquid Silicone for Molds Making 30A Sapphire Blue High Strength Silicon Rubber 4.4 lbs 1:1 by Volume Ideal for Mold Casting of Resin/Jewelry/Candle/Concrete/Plaster**BBDINO**$44.87**3,180 rev3y ago](https://www.amazon.com/dp/B0C6DQZQCQ) [**Mold Star 30-1A:1B Mix by Volume Platinum Silicone Rubber - Gallon Unit**Smooth-On**$240.66**743 rev4y ago](https://www.amazon.com/dp/B09MG3WX9G) [**LETS RESIN Silicone Mold Making Kit-Translucent Silicone Rubber Non-Toxic Liquid Mold Making Silicone-20.46oz Super Elastic Molding Silicone-Ideal for 3D Molds Resin Molds Silicone Molds-4H Fast Cure**LET'S RESIN**$14.62**6,467 rev7y ago](https://www.amazon.com/dp/B07V5FFPWC) [**Smooth-On Dragon Skin 20 Mold Making Silicone Rubber - Trial Unit**Smooth-On**$37.97**645 rev11y ago](https://www.amazon.com/dp/B00SK4B9IA)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Smooth-On SIL-Poxy Rubber Silicone Adhesive 0.5 oz Tube Flexible RTV Silicone Glue for Silicone Rubber Repair & Bonding Strong Waterproof Sealant (Packaging May Vary)**Smooth-On**$17.07**4.4★**▲ 118%**](https://www.amazon.com/dp/B00NGZHGFI) [**Smooth-On Mold Star 30 Silicone Mold Making Kit - Easy to Use & Long-Lasting Silicone Mold (2-Pound)**Smooth-On**$36.17**4.6★**▲ 22%**](https://www.amazon.com/dp/B00ETAY8RI) [**Mold Star 15 SLOW - 1A:1B Mix By Volume Platinum Silicone Rubber - Gallon Unit**Smooth-On**$233.60**4.6★**▲ 11%**](https://www.amazon.com/dp/B09MFY3KFF) [**Mold Star 15 Slow - 1A:1B Mix By Volume Platinum Silicone Rubber - Pint Unit**Smooth-On, Inc.**$36.37**4.6★**▲ 11%**](https://www.amazon.com/dp/B00ATDV5BQ) [**BBDINO Silicone Mold Making Kit Liquid Silicone for Molds Making 30A Sapphire Blue High Strength Silicon Rubber 4.4 lbs 1:1 by Volume Ideal for Mold Casting of Resin/Jewelry/Candle/Concrete/Plaster**BBDINO**$44.87**4.6★**— 4%**](https://www.amazon.com/dp/B0C6DQZQCQ)
**~~View all trending →~~**
## **What buyers say about mold star 15 slow**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**20%
*“Easy to use”*
**Quality-Overall**17%
*“High-quality molds”*
**Advertised Vs Actual Product**8%
*“Gets the job done”*
**Material Quality**8%
*“Nice material”*
**Instructions/User Manual/Troubleshooting**6%
*“The instructions are clear”*
**Value For Money**5%
*“I definitely would buy it again, it is more affordable than the leading brands and works beautifully”*
**Strength**4%
*“Holds together well”*
**Durability**4%
*“durable and releases casts cleanly without tearing”*
**Ease Of Cleaning**3%
*“Produces a very clean result”*
**Functionality-Overall**2%
*“cured as expected”*
### **What buyers complain about **
**Assembly/Installation**13%
*“Did not set properly”*
**Value For Money**10%
*“Its a fairly pricey product i my opinion to not be properly packaged”*
**Advertised Vs Actual Product**9%
*“Severely incorrect marketing”*
**Adhesion/Stickiness**9%
*“Has been sticky”*
**Leak-Proof**8%
*“Arrived leaking”*
**Functionality-Overall**8%
*“Didnt have good results”*
**Color**4%
*“It is clear no color”*
**Hard Feel**4%
*“Hard results, not squishy”*
**Compatibility-Overall**4%
*“Doesn't work for St”*
**Ease Of Cleaning**3%
*“Avoid those, and if youre in doubt do a small test mix to save time, money, and cleaning up a mess”*
### **Top return reasons **
**Leak-Proof**18%
**Adhesion/Stickiness**12%
**Functionality-Overall**12%
**Material Quality**11%
**Size-Overall**10%
**Advertised Vs Actual Product**9%
**Value For Money**7%
**Defective Material/Parts**5%
**Hard Feel**3%
**Product Condition**1%
## **Common questions**
- **Is mold star 15 slow profitable to sell on Amazon United States?**
- The niche generates $112K/yr across 13 tracked products. 90-day search growth is +5.5%. Flapen's verdict: Skip it (39/100).
- **How competitive is the mold star 15 slow niche?**
- 5 brands and 14 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in mold star 15 slow?**
- Top complaints mined from reviews: Assembly/Installation, Value For Money, Advertised Vs Actual Product. The return rate is 1.6%.
- **When does demand for mold star 15 slow peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the mold star 15 slow niche?**
- Listings span $14.62–$240.66; the average listing price is $64.36 (sweet spot $15–$100). The average incumbent carries 2,200 reviews — the moat a new listing must climb.
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