---
title: "Styrofoam Balls 10 Inch — $49K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/styrofoam-balls-10-inch"
last_updated: "2026-08-09T10:56:56.202Z"
locale: en
meta:
  description: "Niche score 44/100 · $49K/yr market · 65K searches/yr · $20.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $49K/yr market · 65K searches/yr · $20.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Styrofoam Balls 10 Inch — $49K/yr Amazon US Niche (2026) - Flapen"
---

# **styrofoam balls 10 inch**

**Skip it**

A small market ($49K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 12Conversion 46Competition 51Returns 45Price range 80Avg price 89Brand share 70Review moat 77Quality gap 38

**Avg price**

**Great****$20.63**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$7.52–$46.79**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Great****468.15**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****63%**

top-5 brand share — brands hold most of the demand

**Competition**

**Good****54%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Okay****3.7%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Okay****3.4%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

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 ~~](https://flapen.com/research/methodology)

## **styrofoam balls 10 inch market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$52K–$62K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#206**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**88%**</dd>

<dt>**Out of stock**</dt><dd>**2.1%**</dd>

<dt>**Avg brand age**</dt><dd>**59 months**</dd>

<dt>**Avg seller age**</dt><dd>**177 days**</dd>

</dl>

## **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.

5K3KSpike '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 8.0×

[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam-balls-10-inch/trend)

## **Top styrofoam balls 10 inch search terms**

- **large foam ball**13K/yr-7.4%1.2% conv. - **8 inch foam ball**6K/yr+6.2%4.8% conv. - **large styrofoam ball**6K/yr-21.7%1.9% conv. - **styrofoam balls 10 inch**7K/yr-24.8%3.6% conv. - **styrofoam balls 12 inch**19K/yr-69.3%1.3% conv. - **8 inch styrofoam ball**5K/yr-23.6%6.5% conv. - **big foam ball**4K/yr+8.5%2.2% conv. - **8 styrofoam balls**3K/yr-17.6%8.8% conv. - **foam balls 8 inch**2K/yr+5.8%3.1% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam-balls-10-inch/search-terms)

## **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.

0%10%$5K20%$10K30%$15K40%$20K101001K10K 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![Ganjiang 7 Inches Soft No-Noise Foam Ball Sponge Kickball Dodgeball for Indoor Activity (Yellow Color)](https://m.media-amazon.com/images/I/31qTyPSnNXL.jpg)**Ganjiang 7 Inches Soft No-Noise Foam Ball Sponge Kickball Dodgeball for Indoor Activity (Yellow Color)**Ganjiang**$12.92**4.3★192 rev](https://www.amazon.com/dp/B0B3SXB72N) [2![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)](https://m.media-amazon.com/images/I/41SA+W4ai6L.jpg)**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**$39.56**3.9★22 rev](https://www.amazon.com/dp/B0D4YHFQPQ) [3![Cannon Sports Soft Foam Ball Uncoated Medium Density Ball - Lightweight Safe Play Indoor/Outdoor Fun - Great for Volleyball Basketball Soccer Dodgeball and More](https://m.media-amazon.com/images/I/41GycrcXmfL.jpg)**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**$18.93**4.5★216 rev](https://www.amazon.com/dp/B07JVQ66QX) [4![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)](https://m.media-amazon.com/images/I/313DLq19zLL.jpg)**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**$19.93**4.6★415 rev](https://www.amazon.com/dp/B0CL7575LK) [5![Champion Sports Coated High Density Foam Ball 8.5 Inch Red](https://m.media-amazon.com/images/I/31w23aGTGFL.jpg)**Champion Sports Coated High Density Foam Ball 8.5 Inch Red**Champion Sports**$17.45**4.3★695 rev](https://www.amazon.com/dp/B000KYOTS0)

**~~View all top sellers →~~**

### **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)](https://m.media-amazon.com/images/I/31BtoaeqlML.jpg)**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**$16.95**408 rev1y ago](https://www.amazon.com/dp/B0DRF97XQJ) [![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)](https://m.media-amazon.com/images/I/31T7GDMfsLL.jpg)**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**$19.77**408 rev1y ago](https://www.amazon.com/dp/B0DRF98P6F) [![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)](https://m.media-amazon.com/images/I/31n0dJiNQSL.jpg)**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**$15.17**65 rev1y ago](https://www.amazon.com/dp/B0DQ533LD4) [![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)](https://m.media-amazon.com/images/I/413irH0g5hL.jpg)**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**$20.32**73 rev1y ago](https://www.amazon.com/dp/B0DQ4VB73W) [![Styrofoam Balls 10 Inch Extra Large Styrofoam Ball Craft Foam Balls for DIY Art Wedding Birthday Party Home Christmas Decorations School Projects Supplies](https://m.media-amazon.com/images/I/31D5R7ojzXL.jpg)**Styrofoam Balls 10 Inch Extra Large Styrofoam Ball Craft Foam Balls for DIY Art Wedding Birthday Party Home Christmas Decorations School Projects Supplies**rejopfad**$29.72**17 rev1y ago](https://www.amazon.com/dp/B0D9ST6YG3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![GoSports Soft Skin Foam Playground Dodgeballs - 6 Pack Set for Kids - Includes Mesh Carry Bag](https://m.media-amazon.com/images/I/51N2pUU5waL.jpg)**GoSports Soft Skin Foam Playground Dodgeballs - 6 Pack Set for Kids - Includes Mesh Carry Bag**GoSports**$46.79**4.8★**▲ 215%**](https://www.amazon.com/dp/B0154K459M) [![Cannon Sports Soft Foam Ball Uncoated Medium Density Ball - Lightweight Safe Play Indoor/Outdoor Fun - Great for Volleyball Basketball Soccer Dodgeball and More](https://m.media-amazon.com/images/I/41GycrcXmfL.jpg)**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**$18.93**4.5★**▲ 185%**](https://www.amazon.com/dp/B07JVQ66QX) [![Crafare 7.8 Inch White Craft Foam Balls Polystyrene Balls for Holiday Christmas Crafts Making and School Modeling Projects](https://m.media-amazon.com/images/I/21MfxBDsZBL.jpg)**Crafare 7.8 Inch White Craft Foam Balls Polystyrene Balls for Holiday Christmas Crafts Making and School Modeling Projects**Crafare**$13.77**4.7★**▲ 168%**](https://www.amazon.com/dp/B085KXZQ7P) [![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)](https://m.media-amazon.com/images/I/41SA+W4ai6L.jpg)**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**$39.56**3.9★**▲ 143%**](https://www.amazon.com/dp/B0D4YHFQPQ) [![Champion Sports Coated High Density Foam Ball 8.5 Inch Red](https://m.media-amazon.com/images/I/31w23aGTGFL.jpg)**Champion Sports Coated High Density Foam Ball 8.5 Inch Red**Champion Sports**$17.45**4.3★**▲ 117%**](https://www.amazon.com/dp/B000KYOTS0)

**~~View all trending →~~**

## **What buyers say about styrofoam balls 10 inch**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**19%

*“a great size”*

**Value For Money**17%

*“Great Value for the price”*

**Quality-Overall**15%

*“Excellent product”*

**Advertised Vs Actual Product**8%

*“Product exactly as described”*

**Durability**8%

*“Durable”*

**Suitable For Indoor**5%

*“Just a good indoor ball for the price”*

**Stiffness**5%

*“Very firm- dense”*

**Soft Feel**5%

*“Much MUCH softer than I was expecting”*

**Fun/Entertainment Experience**5%

*“Balls of Fun”*

**Strength**4%

*“They hold strong”*

### **What buyers complain about **

**Size-Overall**20%

*“Wow, larger than I expected”*

**Durability**10%

*“After a few throws the ball starts to peel and shed”*

**Advertised Vs Actual Product**10%

*“Inaccurate Size Claim”*

**Value For Money**10%

*“Too expensive and found cheaper item”*

**Cushion**10%

*“Light cushion foam”*

**Suitable For Indoor**10%

*“Cant play indoors like they suggest”*

**Quality-Overall**10%

*“Very bad quality”*

**Smell**10%

*“Has oder. Has very strong smell.”*

**Pain Relief-Overall**2%

*“hurt when hit in the face”*

**Weight Heavy**2%

*“are heavier then expected”*

### **Top return reasons **

**Size-Overall**71%

**Value For Money**6%

**Advertised Vs Actual Product**5%

**Material Quality**3%

**Defective Material/Parts**2%

**Hard Feel**2%

**Functionality-Overall**2%

**Weight Heavy**2%

**Soft Feel**1%

**Ease Of Use**1%

## **Common questions**

<dl>

<dt>**Is styrofoam balls 10 inch profitable to sell on Amazon United States?**</dt><dd>The niche generates $49K/yr across 26 tracked products. 90-day search growth is -25.0%. Flapen's verdict: Skip it (44/100).</dd>

<dt>**How competitive is the styrofoam balls 10 inch niche?**</dt><dd>17 brands and 22 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 63% of demand.</dd>

<dt>**What do buyers complain about in styrofoam balls 10 inch?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Advertised Vs Actual Product. The return rate is 3.4%.</dd>

<dt>**When does demand for styrofoam balls 10 inch peak?**</dt><dd>Demand peaks in Sep–Oct–Nov; the busiest month runs 8.0× the quietest.</dd>

<dt>**What does it cost to enter the styrofoam balls 10 inch niche?**</dt><dd>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.</dd>

</dl>

## **Related niches in Arts, Crafts & Sewing**

- 67 [**halloween fabric**](https://flapen.com/research/us/arts-crafts-sewing/halloween-fabric)$80K/yr+204.4%**Worth a look**- 67 [**cyanotype kit**](https://flapen.com/research/us/arts-crafts-sewing/cyanotype-kit)$505K/yr+129.8%**Worth a look**- 68 [**bracelet making kit**](https://flapen.com/research/us/arts-crafts-sewing/bracelet-making-kit)$8.1M/yr+22.4%**Launch it**- 68 [**graduation cap decorations**](https://flapen.com/research/us/arts-crafts-sewing/graduation-cap-decorations)$229K/yr+425.9%**Worth a look**- 68 [**foam cutter**](https://flapen.com/research/us/arts-crafts-sewing/foam-cutter)$2.1M/yr+3.7%**Launch it**- 68 [**window markers**](https://flapen.com/research/us/arts-crafts-sewing/window-markers)$1.3M/yr+132.8%**Launch it**[**All Arts, Crafts & Sewing niches **](https://flapen.com/research/us/arts-crafts-sewing)