styrofoam balls
Worth a lookShows no brand lock-in (top 5 brands take 43% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Great43%top-5 brand share — no brand owns this niche
Competition
Great38%top-5 click share — an open shelf
Avg price
Great$15.52avg listing price — sweet spot $15–$100
Price range
Great$4.63–$46.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good741.98avg incumbent reviews — the moat a new listing must climb
Market size
Good$687K$687K/yr · 1.3M searches
Returns
Good2.5%return rate — above 6% kills the launch gate
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-14.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, styrofoam balls is a $687K/yr Amazon United States market (1.3M searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 60/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 50K–60K
- avg 750–1,000/product
- Revenue / yr
- $776K–$931K
- units × avg price
- Launch success
- —
- 1 of 2 new (360d)
- Conversion rate
- 3.5%
- Avg BSR
- #85
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 96%
- Out of stock
- 0.8%
- Avg brand age
- 48 months
- Avg seller age
- 167 days
Competition
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
31 falling
Sellers
52
Top-5 brand share
43%
Top 20: 90%
Top-5 click share
38%
Top 20: 76%
Open market
51%
- Ganjiang12%
- Crafare10%
- GoSports9%
- FFchuanhe6%
- Gejoy6%
- Magicorange6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.3% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 3.1×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 48 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ganjiang 7 Inches Soft No-Noise Foam Ball Sponge Kickball Dodgeball for Indoor Activity (Yellow Color)
Ganjiang$12.924.3★192 rev
GoSports Soft Skin Foam Playground Dodgeballs - 6 Pack Set for Kids - Includes Mesh Carry Bag
GoSports$46.794.8★912 rev
Gejoy 24 Pieces Soft Foam Balls Bulk Lightweight Mini Balls for Safe Indoor Toys Fun Assorted Colors Sponge Balls Birthday Party Favors Bag Gifts for Boys and Girls(1.57 Inch)
Gejoy$13.714.4★442 rev
Magicorange Foam Baseballs 20 Pack Practice Training Baseballs Unmarked Baseball Soft Toss Batting Fielding Hitting Pitching (Colorful)
Magicorange$21.014.6★321 rev
50 Pack Craft Foam Balls 5 Sizes(1-2.4 Inches) White Polystyrene Smooth Round Balls Foam Balls for Arts and Crafts Christmas DIY Craft for Home Supplies School Craft Project and Holiday Party
FFchuanhe$9.824.5★1,431 rev
Newest
by launch date
12PC 3 Inch Styrofoam Half Balls Solid White Half Round Foam Balls for Crafts Smooth DIY Craft Foam Hemispheres for Model Building Holiday and Party Decorations (Half styrofoam-3in-12pc)
WERJOURU$9.535 rev
HopeRock Indoor Soccer Ball Size 4 Soft Foam for Toddlers and Kids Silent in House for Youth Boys and Girls Aged 3-12 Years Old
HopeRock$17.64235 rev
MIDELONG Soft Foam Balls 1.57 Inches in Diameter Lightweight Mini Balls Assorted Colors Sponge Balls for Birthday Festival Holiday Party Supplies Pack of 12
MIDELONG$7.7742 rev
vibedor 12 PCS 3 Inch Half Foam Balls White Styrofoam Balls Dry Foam Half Ball Small Styrofoam Balls for Christmas Thanksgiving Day and Festival for DIY Projects Home Craft Projects
vibedor$8.5983 rev
Franklin Sports MLB Kids Soft Foam Baseballs - (3) Official Size Soft Foam Practice Baseballs for Kids - Perfect for Hitting and Indoor or Outdoor Play - 3 Pack - Official MLB Licensed Product
Franklin Sports$11.662,106 rev
Trending
90-day click momentum
Evershine 24 Pack 4 Inch Craft Foam Ball - White Smooth Craft Foam Polystyrene Balls for DIY Craft and Art School Project
Evershine$28.224.6★
Evershine 60 Pack 2 Inch Craft Foam Ball - White Smooth Craft Foam Polystyrene Balls for DIY Craft and Art School Project
Evershine$16.854.6★
SMUSH BALLS Soft Foam Baseballs 12-Pack Regulation Size Training Ball for Indoor & Outdoor Batting Throwing & Catching Practice Safe for Windows Youth & Adult Players
SMUSH BALLS$30.574.6★
HopeRock Indoor Soccer Ball Size 4 Soft Foam for Toddlers and Kids Silent in House for Youth Boys and Girls Aged 3-12 Years Old
HopeRock$17.644.7★
FATEUAER Foam Baseballs Soft Baseballs 6 Pack and 12 Pack for Kids Beginners Training Ball Safe Throwing for Indoor or Outdoor Play with Carrying Bag Baseball Gifts for Boys and Girls (6Pce)
FATEUAER$14.524.7★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fun toy”
“Good quality”
“Great for indoors”
“As advertised”
“with bright colors”
“They are a consistent size”
“Worth the money”
“this are soft foam”
“holds up great”
“useable”
What buyers complain about
“Slightly bigger than expected”
“FALSE ADVERTISING”
“Very disappointed with the quality control”
“Overpriced”
“Disappointed with the weight”
“Hard not soft”
“Unsure how quickly the ball that is coming apart will last”
“They dont like spray paint”
“It smelled like weed”
“Product not usable”
Top return reasons
Common questions
- Is styrofoam balls profitable to sell on Amazon United States?
- The niche generates $687K/yr across 48 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -14.3%. Flapen's verdict: Worth a look (60/100).
- How competitive is the styrofoam balls niche?
- 31 brands and 52 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 43% of demand.
- What do buyers complain about in styrofoam balls?
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 2.5%.
- When does demand for styrofoam balls peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 3.1× the quietest.
- What does it cost to enter the styrofoam balls niche?
- Listings span $4.63–$46.79; the average listing price is $15.52 (sweet spot $15–$100). The average incumbent carries 742 reviews — the moat a new listing must climb.
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