---
title: "Plastic Gems — $107K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/plastic-gems"
last_updated: "2026-08-10T10:08:22.580Z"
locale: en
meta:
description: "Niche score 54/100 · $107K/yr market · 189K searches/yr · $10.93 avg price. Strong incumbent ratings (4.6★) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 54/100 · $107K/yr market · 189K searches/yr · $10.93 avg price. Strong incumbent ratings (4.6★) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Plastic Gems — $107K/yr Amazon US Niche (2026) - Flapen"
---
# **plastic gems**
**Worth a look**
Shows no brand lock-in (top 5 brands take 46% of clicks), but strong incumbent ratings (4.6★) keeps it on the watch list.
Market size 26Growth 38Conversion 60Competition 69Returns 86Price range 80Avg price 41Brand share 89Review moat 47Quality gap 25
**Brand share**
**Great****46%**
top-5 brand share — no brand owns this niche
**Returns**
**Great****1.4%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$5.41–$56.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****5.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,754.5**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****$10.93**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+10.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$107K**
$107K/yr · 189K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, plastic gems is a $107K/yr Amazon United States market (189K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 54/100.
Data updated Aug 3, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plastic gems market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$109K–$137K**
- units × avg price
- **Conversion rate**
- **5.2%**
- **Avg BSR**
- **#130**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **3.2%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **197 days**
## **Competition & brand share**
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**27 **▲rising
**Sellers**
**30**
**Top-5 brand share**
**46%**
Top 20: 93%
**Top-5 click share**
**43%**
Top 20: 85%
**Open market**
**49%**
- DomeStar18% - Hicarer10% - Niceup7% - WBJKZJD6% - TeeLiy5% - Sloosh5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.3% search growth over the last 90 days.
15K10KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/plastic-gems/trend)
## **Top plastic gems search terms**
- **plastic gems**33K/yr+8.0%4.9% conv. - **acrylic gems**24K/yr+28.0%1.8% conv. - **fake gems**28K/yr+8.0%4.3% conv. - **large gems**14K/yr+10.4%2.6% conv. - **big gems**11K/yr+46.1%2.4% conv. - **plastic jewels**12K/yr+9.1%4.9% conv. - **rainbow gems**9K/yr-1.2%1.3% conv. - **gems bulk**8K/yr+7.4%5.2% conv. - **jewels for kids**10K/yr-0.6%7.2% conv. - **acrylic gemstones**6K/yr+10.4%2.1% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/plastic-gems/search-terms)
## **Top plastic gems 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%4%$4K8%$9K12%$13K16%$17K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**DOMESTAR 150 PCS Multicolored Acrylic Fake Gems Ice Rocks for Vase Fillers**DomeStar**$7.51**4.7★15,924 rev](https://www.amazon.com/dp/B07449WWZP) [2**100 Pcs Pirate Jewels Gems for Kids Plastic Fake Toy Gemstones Party Decor**Hicarer**$9.93**4.5★1,525 rev](https://www.amazon.com/dp/B093LJ2PX9) [3**Niceup 26pcs Large Diving Gems Fake Plastic Gemstones Diamond Toys for Kids Girls Princess Pirate Mermaid Party Favors Bag Treasure Hunt Toy - 1.57in Assorted Colors**Niceup**$9.98**4.8★448 rev](https://www.amazon.com/dp/B0DGL42HYY) [4**60pcs Acrylic Diamond Gems Pirate Plastic Gems Large Acrylic Gems Jewels Bulk Treasure Chest Hunt Party Favors 25 Carat (Multicolor)**WBJKZJD**$9.14**4.7★504 rev](https://www.amazon.com/dp/B0BPY3LFN8) [5**Sloosh Diving Gems Pool Toys 16 Big Colorful Diamond with Pirate Treasure Chest Swim Dive Toy for Kids Underwater Gemstone Swimming Training Gift Water Pool Games(Gold)**Sloosh**$14.16**4.6★1,447 rev](https://www.amazon.com/dp/B0BMB6QXMF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Woodtoe Wooden Building Blocks for Kids 48 PCS Rainbow Acrylic Gem Cubes Blocks - 32 Wooden Blocks Montessori Stacking Toy for Toddlers Educational STEM Learning Sensory Toy Gifts for Boy Girl 3-6**Woodtoe**$56.55**3 rev6mo ago](https://www.amazon.com/dp/B0GF8JL234) [**QYGL 850PCS+ Colorful Fake Diamonds Fake Ice Acrylic Rocks Bulk Plastic Gems for Vase Fillers Table Scatter Wedding Centerpieces Party Decoration Crafts Aquarium & Food Display**QYGL**$9.85**56 rev1y ago](https://www.amazon.com/dp/B0FF3P2SBB) [**Prehalpty 200 Pcs Gemstones for Kids**Prehalpty**$9.92**159 rev1y ago](https://www.amazon.com/dp/B0F1G6VWQM) [**ROYHOO 140PCS Pirate Treasure Gem Toys Fake Acrylic Bling Gem Diamonds Toys Colorful Beach Gems Pirate Jewels Toys for Kids Pirate Party Favors Decoration (Random Color)**ROYHOO**$9.88**76 rev1y ago](https://www.amazon.com/dp/B0DS14854S) [**Niceup 26pcs Large Diving Gems Fake Plastic Gemstones Diamond Toys for Kids Girls Princess Pirate Mermaid Party Favors Bag Treasure Hunt Toy - 1.57in Assorted Colors**Niceup**$9.98**448 rev1y ago](https://www.amazon.com/dp/B0DGL42HYY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Woodtoe Wooden Building Blocks for Kids 48 PCS Rainbow Acrylic Gem Cubes Blocks - 32 Wooden Blocks Montessori Stacking Toy for Toddlers Educational STEM Learning Sensory Toy Gifts for Boy Girl 3-6**Woodtoe**$56.55**4.6★**▲ 262%**](https://www.amazon.com/dp/B0GF8JL234) [**SigMntun Polished Colorful Healing Crystal Stone Set 72 Pcs 0.5 Tumbled Gemstones Bulk Decorative Pretty Rocks Collection for Meditation Reiki Grounding Vase Filler Mancala Stones and Crafts**SigMntun**$13.62**4.5★**▲ 168%**](https://www.amazon.com/dp/B0CVXV9RXZ) [**Prehalpty 200 Pcs Gemstones for Kids**Prehalpty**$9.92**4.7★**▲ 74%**](https://www.amazon.com/dp/B0F1G6VWQM) [**Diving Gem Pool Toy 10PCS DISHIO Big Colorful Diamond Diving Toy with Treasure Box Chest Pirate Pool Toys for Kids Toddlers Underwater Sinking Dive Gemstone for Swimming Bath Birthday Party Decoration**DISHIO**$9.34**4.3★**▲ 72%**](https://www.amazon.com/dp/B0BRC8HPHB) [**Vellibring 180 Pieces Pirate Treasure Gem Toys Fake Acrylic Bling Gem Diamonds Toys Colorful Beach Gems Pirate Jewels Toys with Drawstring Bag for Kids Party Favors Decoration**Vellibring**$9.14**4.5★**▲ 70%**](https://www.amazon.com/dp/B0C8HMX214)
**~~View all trending →~~**
## **What buyers say about plastic gems**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**22%
*“Fun for kids”*
**Color**11%
*“Beautiful colors”*
**Quality-Overall**10%
*“Gems appear to be good quality”*
**Size-Overall**9%
*“Good size”*
**Value For Money**8%
*“Good value”*
**Adhesion/Stickiness**5%
*“sticks good”*
**Brightness/Shine/Glow**4%
*“They are so bright”*
**Gifting Purpose**4%
*“Great gift”*
**Advertised Vs Actual Product**3%
*“Exactly as described”*
**Ease Of Use**3%
*“Easy to Use”*
### **What buyers complain about **
**Size-Overall**24%
*“The box was smaller than expected”*
**Quality-Overall**9%
*“Treasure chest is poor quality”*
**Adhesion/Stickiness**8%
*“not sticky enough”*
**Durability**6%
*“will fall apart easily”*
**Sharpness**3%
*“Sharp edges”*
**Color**3%
*“No orange in mine”*
**Advertised Vs Actual Product**3%
*“hard to judge what you get by the description”*
**Value For Money**3%
*“Not worth it”*
**Water Resistance**3%
*“The box is not water proof”*
**Ease Of Use**2%
*“also tricky to remove from the sheet at times”*
### **Top return reasons **
**Size-Overall**52%
**Defective Material/Parts**9%
**Advertised Vs Actual Product**9%
**Value For Money**6%
**Adhesion/Stickiness**4%
**Sharpness**4%
**Quality-Overall**3%
**Color**3%
**Shape/Style**1%
**Functionality-Overall**1%
## **Common questions**
- **Is plastic gems profitable to sell on Amazon United States?**
- The niche generates $107K/yr across 32 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +10.3%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the plastic gems niche?**
- 27 brands and 30 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 46% of demand.
- **What do buyers complain about in plastic gems?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Adhesion/Stickiness. The return rate is 1.4%.
- **When does demand for plastic gems peak?**
- Demand peaks in Oct–Nov; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the plastic gems niche?**
- Listings span $5.41–$56.55; the average listing price is $10.93 (sweet spot $15–$100). The average incumbent carries 1,755 reviews — the moat a new listing must climb.
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