plastic gems
Worth a lookShows no brand lock-in (top 5 brands take 46% of clicks), but strong incumbent ratings (4.6★) keeps it on the watch list.
Brand share
Great46%top-5 brand share — no brand owns this niche
Returns
Great1.4%return rate — above 5% kills the launch gate
Price range
Great$5.41–$56.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,754.5avg incumbent reviews — the moat a new listing must climb
Avg price
Okay$10.93avg 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
Okay4.6★avg incumbent rating — lower means beatable quality
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
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.Peak months: Oct, Nov · busiest ÷ quietest = 2.5×
Top plastic gems search terms
- plastic gems33K/yr
- acrylic gems24K/yr
- fake gems28K/yr
- large gems14K/yr
- big gems11K/yr
- plastic jewels12K/yr
- rainbow gems9K/yr
- gems bulk8K/yr
- jewels for kids10K/yr
- acrylic gemstones6K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DOMESTAR 150 PCS Multicolored Acrylic Fake Gems Ice Rocks for Vase Fillers
DomeStar$7.514.7★15,924 rev
100 Pcs Pirate Jewels Gems for Kids Plastic Fake Toy Gemstones Party Decor
Hicarer$9.934.5★1,525 rev
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$9.984.8★448 rev
60pcs Acrylic Diamond Gems Pirate Plastic Gems Large Acrylic Gems Jewels Bulk Treasure Chest Hunt Party Favors 25 Carat (Multicolor)
WBJKZJD$9.144.7★504 rev
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$14.164.6★1,447 rev
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$56.553 rev
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$9.8556 rev
Prehalpty 200 Pcs Gemstones for Kids
Prehalpty$9.92159 rev
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$9.8876 rev
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$9.98448 rev
Trending
90-day click momentumWoodtoe 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$56.554.6★
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$13.624.5★
Prehalpty 200 Pcs Gemstones for Kids
Prehalpty$9.924.7★
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$9.344.3★
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$9.144.5★
What buyers say about plastic gems
What buyers praise and complain about, mined from review topics.What buyers love
“Fun for kids”
“Beautiful colors”
“Gems appear to be good quality”
“Good size”
“Good value”
“sticks good”
“They are so bright”
“Great gift”
“Exactly as described”
“Easy to Use”
What buyers complain about
“The box was smaller than expected”
“Treasure chest is poor quality”
“not sticky enough”
“will fall apart easily”
“Sharp edges”
“No orange in mine”
“hard to judge what you get by the description”
“Not worth it”
“The box is not water proof”
“also tricky to remove from the sheet at times”
Top return reasons
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.