styrofoam balls 10 inch
Skip itA small market ($49K/yr) — this niche doesn't clear our bar today.
Avg price
Great$20.63avg listing price — sweet spot $15–$100
Price range
Great$7.52–$46.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great468.15avg incumbent reviews — the moat a new listing must climb
Brand share
Good63%top-5 brand share — brands hold most of the demand
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Returns
Okay3.4%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$49K$49K/yr · 65K searches
Growth
Bad-25.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, styrofoam balls 10 inch is a $49K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 44/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
styrofoam balls 10 inch market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $52K–$62K
- units × avg price
- Conversion rate
- 3.7%
- Avg BSR
- #206
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 88%
- Out of stock
- 2.1%
- Avg brand age
- 59 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
22
Top-5 brand share
63%
Top 20: 100%
Top-5 click share
54%
Top 20: 92%
Open market
31%
- Ganjiang21%
- Seenelling15%
- AHKUNMT11%
- Crafjie8%
- Cannon Sports8%
- Champion Sports6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -25.0% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 8.0×
Top styrofoam balls 10 inch search terms
- large foam ball13K/yr
- 8 inch foam ball6K/yr
- large styrofoam ball6K/yr
- styrofoam balls 10 inch7K/yr
- styrofoam balls 12 inch19K/yr
- 8 inch styrofoam ball5K/yr
- big foam ball4K/yr
- 8 styrofoam balls3K/yr
- foam balls 8 inch2K/yr
Top styrofoam balls 10 inch 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
Ganjiang 7 Inches Soft No-Noise Foam Ball Sponge Kickball Dodgeball for Indoor Activity (Yellow Color)
Ganjiang$12.924.3★192 rev

Seenelling 4 Pcs Foam Large Balls Soft Foam Dodgeballs Uncoated Playground Sport Dodgeballs Lightweight Sponge Easy to Grasp Bouncy Balls for Kids Indoor Sports Activity(7 Inch)
Seenelling$39.563.9★22 rev

Cannon Sports Soft Foam Ball Uncoated Medium Density Ball - Lightweight Safe Play Indoor/Outdoor Fun - Great for Volleyball Basketball Soccer Dodgeball and More
Cannon Sports$18.934.5★216 rev

Styrofoam Balls 8 Inch 2PC Large White Foam Balls for Crafts DIY Craft Giant Foam Ball for Home and School Smooth Solid Round Ball(Styrofoam-8in-2pc)
AHKUNMT$19.934.6★415 rev

Champion Sports Coated High Density Foam Ball 8.5 Inch Red
Champion Sports$17.454.3★695 rev
Newest
by launch date
Styrofoam Half Balls 10 Inch 1PC Large White Half Foam Balls for Crafts DIY Craft Giant Foam Balls for Home and School Smooth Solid Round Balls (Half styrofoam-10in-1pc)
AHKUNMT$16.95408 rev

Styrofoam Half Balls 12 Inch 1PC Large White Half Foam Balls for Crafts DIY Craft Giant Foam Balls for Home and School Smooth Solid Round Balls (Half styrofoam-12in-1pc)
AHKUNMT$19.77408 rev

Large Styrofoam Half Balls 8 Inch 2PC White Foam Balls for Crafts Giant Foam Balls Smooth Solid Round Balls for Arts and Craft Project as Christmas DIY Ornaments (Styrofoam Half Balls 8in-2pc)
RETOONGKING$15.1765 rev

Large Styrofoam Balls 8 Inch 2PC White Foam Balls for Crafts Giant Foam Balls Smooth Solid Round Balls for Arts and Craft Project as Christmas DIY Ornaments (Styrofoam Balls 8in-2pc)
RETOONGKING$20.3273 rev

Styrofoam Balls 10 Inch Extra Large Styrofoam Ball Craft Foam Balls for DIY Art Wedding Birthday Party Home Christmas Decorations School Projects Supplies
rejopfad$29.7217 rev
Trending
90-day click momentum
GoSports Soft Skin Foam Playground Dodgeballs - 6 Pack Set for Kids - Includes Mesh Carry Bag
GoSports$46.794.8★

Cannon Sports Soft Foam Ball Uncoated Medium Density Ball - Lightweight Safe Play Indoor/Outdoor Fun - Great for Volleyball Basketball Soccer Dodgeball and More
Cannon Sports$18.934.5★

Crafare 7.8 Inch White Craft Foam Balls Polystyrene Balls for Holiday Christmas Crafts Making and School Modeling Projects
Crafare$13.774.7★

Seenelling 4 Pcs Foam Large Balls Soft Foam Dodgeballs Uncoated Playground Sport Dodgeballs Lightweight Sponge Easy to Grasp Bouncy Balls for Kids Indoor Sports Activity(7 Inch)
Seenelling$39.563.9★

Champion Sports Coated High Density Foam Ball 8.5 Inch Red
Champion Sports$17.454.3★
What buyers say about styrofoam balls 10 inch
What buyers praise and complain about, mined from review topics.What buyers love
“a great size”
“Great Value for the price”
“Excellent product”
“Product exactly as described”
“Durable”
“Just a good indoor ball for the price”
“Very firm- dense”
“Much MUCH softer than I was expecting”
“Balls of Fun”
“They hold strong”
What buyers complain about
“Wow, larger than I expected”
“After a few throws the ball starts to peel and shed”
“Inaccurate Size Claim”
“Too expensive and found cheaper item”
“Light cushion foam”
“Cant play indoors like they suggest”
“Very bad quality”
“Has oder. Has very strong smell.”
“hurt when hit in the face”
“are heavier then expected”
Top return reasons
Common questions
- Is styrofoam balls 10 inch profitable to sell on Amazon United States?
- The niche generates $49K/yr across 26 tracked products. 90-day search growth is -25.0%. Flapen's verdict: Skip it (44/100).
- How competitive is the styrofoam balls 10 inch niche?
- 17 brands and 22 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in styrofoam balls 10 inch?
- Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 3.4%.
- When does demand for styrofoam balls 10 inch peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 8.0× the quietest.
- What does it cost to enter the styrofoam balls 10 inch niche?
- Listings span $7.52–$46.79; the average listing price is $20.63 (sweet spot $15–$100). The average incumbent carries 468 reviews — the moat a new listing must climb.