---
title: "Styrofoam Balls 8 Inch — $52K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/styrofoam-balls-8-inch"
last_updated: "2026-08-09T09:56:25.607Z"
locale: en
meta:
  description: "Niche score 49/100 · $52K/yr market · 35K searches/yr · $27.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $52K/yr market · 35K searches/yr · $27.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Styrofoam Balls 8 Inch — $52K/yr Amazon US Niche (2026) - Flapen"
---

# **styrofoam balls 8 inch**

**Skip it**

A small market ($52K/yr) — this niche doesn't clear our bar today.

Market size 13Growth 14Conversion 63Competition 71Returns 53Price range 57Avg price 95Brand share 75Review moat 75Quality gap 38

**Avg price**

**Incredible****$27.24**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****60%**

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

**Review moat**

**Good****505.27**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****42%**

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

**Conversion**

**Good****5.5%**

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

**Price range**

**Good****$8.19–$156.77**

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

**Returns**

**Good****2.9%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-21.7%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****$52K**

$52K/yr · 35K searches

**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, styrofoam balls 8 inch is a $52K/yr Amazon United States market (35K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 49/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **styrofoam balls 8 inch market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$54K–$68K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#264**</dd>

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

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**82%**</dd>

<dt>**Out of stock**</dt><dd>**3.3%**</dd>

<dt>**Avg brand age**</dt><dd>**57 months**</dd>

<dt>**Avg seller age**</dt><dd>**196 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**21 **▲rising

**Sellers**

**42**

**Top-5 brand share**

**60%**

Top 20: 100%

**Top-5 click share**

**42%**

Top 20: 88%

**Open market**

**33%**

- AHKUNMT20% - Champion Sports13% - Crafjie12% - Seenelling8% - Crafare7% - RETOONGKING7%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -21.7% search growth over the last 90 days.

3K2KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 7.3×

[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam-balls-8-inch/trend)

## **Top styrofoam balls 8 inch search terms**

- **styrofoam balls 8 inch**15K/yr-36.6%5.8% conv. - **8 inch foam ball**6K/yr+6.2%5.4% conv. - **8 inch styrofoam ball**5K/yr-23.6%7.0% conv. - **8 foam ball**2K/yr-22.6%5.6% conv. - **8 styrofoam balls**3K/yr-17.6%9.3% conv. - **foam balls 8 inch**2K/yr+5.8%4.1% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/styrofoam-balls-8-inch/search-terms)

## **Top styrofoam balls 8 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%3%$2K6%$3K9%$5K12%$6K1101001K10K 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![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) [2![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) [3![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) [4![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★513 rev](https://www.amazon.com/dp/B085KXZQ7P) [5![Styrofoam Half Balls 8 Inch 2PC Large White Half Foam Balls for Crafts DIY Craft Giant Foam Balls for Home and School Smooth Solid Round Balls (Half styrofoam-8in-2pc)](https://m.media-amazon.com/images/I/31UrQ0509BL.jpg)**Styrofoam Half Balls 8 Inch 2PC Large White Half Foam Balls for Crafts DIY Craft Giant Foam Balls for Home and School Smooth Solid Round Balls (Half styrofoam-8in-2pc)**AHKUNMT**$15.85**4.5★408 rev](https://www.amazon.com/dp/B0CSF9QMWJ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![vibedor 2 PCS 8 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](https://m.media-amazon.com/images/I/21zBqkFc8fL.jpg)**vibedor 2 PCS 8 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**$14.19**83 rev11mo ago](https://www.amazon.com/dp/B0FK4N2KG9) [![CCINEE 4Pcs Half Foam Balls 8 Inch Large Polystyrene Half Balls Smooth White Foam Ball for Art and Craft School Projects Wedding Home Centerpieces Christmas Easter Party Decorations](https://m.media-amazon.com/images/I/21NLPZxdnAL.jpg)**CCINEE 4Pcs Half Foam Balls 8 Inch Large Polystyrene Half Balls Smooth White Foam Ball for Art and Craft School Projects Wedding Home Centerpieces Christmas Easter Party Decorations**CCINEE**$23.07**10 rev11mo ago](https://www.amazon.com/dp/B0FJR4F7SJ) [![Styrofoam Balls 8 Inch 1PC Large White Foam Balls for Crafts DIY Craft Giant Foam Ball for Home and School Smooth Solid Round(Styrofoam-8in-1pc)](https://m.media-amazon.com/images/I/31wyY9FEL7L.jpg)**Styrofoam Balls 8 Inch 1PC Large White Foam Balls for Crafts DIY Craft Giant Foam Ball for Home and School Smooth Solid Round(Styrofoam-8in-1pc)**AHKUNMT**$15.65**415 rev1y ago](https://www.amazon.com/dp/B0DRF9FXLN) [![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)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Color My Class P.G. Sofs Balls 8](https://m.media-amazon.com/images/I/41D9TydC4FL.jpg)**Color My Class P.G. Sofs Balls 8**BSN**$40.95**4.8★**▲ 284%**](https://www.amazon.com/dp/B00120SEBO) [![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★**▲ 250%**](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★**▲ 215%**](https://www.amazon.com/dp/B085KXZQ7P) [![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★**▲ 192%**](https://www.amazon.com/dp/B000KYOTS0) [![Champion Sports Rhino Skin Dodgeballs: 8 Inch Balls for Playground PE Backyard & League Games - Team Sports Equipment for Kids and Adults - Set of 6](https://m.media-amazon.com/images/I/31fwBXBrQ3L.jpg)**Champion Sports Rhino Skin Dodgeballs: 8 Inch Balls for Playground PE Backyard & League Games - Team Sports Equipment for Kids and Adults - Set of 6**Champion Sports**$128.01**4.6★**▲ 164%**](https://www.amazon.com/dp/B005I676DA)

**~~View all trending →~~**

## **What buyers say about styrofoam balls 8 inch**

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

### **What buyers love **

**Size-Overall**15%

*“Good size to get”*

**Fun/Entertainment Experience**13%

*“They love playing with them”*

**Quality-Overall**12%

*“Good quality”*

**Color**10%

*“Quality and vibrant colors”*

**Value For Money**7%

*“Priced well”*

**Advertised Vs Actual Product**7%

*“exactly as described”*

**Strength**6%

*“It is sturdy”*

**Safety Standards**4%

*“they are safe for babies”*

**Stiffness**3%

*“Very firm- dense”*

**Design-Overall**3%

*“Makes great craft projects”*

### **What buyers complain about **

**Size-Overall**25%

*“Slightly bigger than expected”*

**Durability**18%

*“Short life”*

**Quality-Overall**14%

*“Very bad quality”*

**Value For Money**7%

*“Too expensive and found cheaper item”*

**Cushion**5%

*“Light cushion foam”*

**Suitable For Indoor**5%

*“Cant play indoors like they suggest”*

**Smell**5%

*“Has oder. Has very strong smell.”*

**Strength**3%

*“Fragile”*

**Leak-Proof**3%

*“Started leaking air after 2 days of light use”*

**Pain Relief-Overall**1%

*“hurt when hit in the face”*

### **Top return reasons **

**Size-Overall**71%

**Advertised Vs Actual Product**6%

**Value For Money**5%

**Material Quality**3%

**Quality-Overall**2%

**Defective Material/Parts**2%

**Functionality-Overall**1%

**Weight Heavy**1%

**Hard Feel**1%

**Durability**1%

## **Common questions**

<dl>

<dt>**Is styrofoam balls 8 inch profitable to sell on Amazon United States?**</dt><dd>The niche generates $52K/yr across 33 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -21.7%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the styrofoam balls 8 inch niche?**</dt><dd>21 brands and 42 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 60% of demand.</dd>

<dt>**What do buyers complain about in styrofoam balls 8 inch?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.9%.</dd>

<dt>**When does demand for styrofoam balls 8 inch peak?**</dt><dd>Demand peaks in Sep–Oct–Nov; the busiest month runs 7.3× the quietest.</dd>

<dt>**What does it cost to enter the styrofoam balls 8 inch niche?**</dt><dd>Listings span $8.19–$156.77; the average listing price is $27.24 (sweet spot $15–$100). The average incumbent carries 505 reviews — the moat a new listing must climb.</dd>

</dl>

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