---
title: "Four Square Balls — $9K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/sports-outdoors/four-square-balls"
last_updated: "2026-08-12T06:45:35.660Z"
locale: en
meta:
description: "Amazon product research for four square balls: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for four square balls: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Four Square Balls — $9K/mo Amazon US Product Research (2026)"
---
# **Four Square Balls**
**Worth a look**
Shows low returns (1.3%), but a small market ($110K/yr) keeps it on the watch list.
Market size 26Growth 49Conversion 82Competition 43Returns 90Price range 63Avg price 62Brand share 33Review moat 70Quality gap 62
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****718.08**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$7.31–$28.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$13.40**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+18.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$110K**
$110K/yr · 94K searches
## **Is four square balls profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, four square balls is a $110K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 54/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **four square balls market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$134K–$168K**
- units × avg price
- **Conversion rate**
- **8.7%**
- **Avg BSR**
- **#86**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **190 days**
## **Competition: brands, sellers & click share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**32**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 95%
**Open market**
**10%**
- PlayBolt28% - Champion Sports26% - Yelaonen16% - EVERICH TOY9% - LovesTown6% - AppleRound5% - Open — no brand owns it (5 brands, 10%)
## **four square balls demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +18.9% search growth over the last 90 days.
3K2KSpike '24Black Friday '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.9×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/four-square-balls/trend)
## **Top four square balls search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **4 square ball**40K/yr+24.4%8.6% conv. - **four square balls**28K/yr+11.4%9.3% conv. - **four square ball**16K/yr+27.0%9.1% conv. - **rhino ball**4K/yr+0.2%4.0% conv. - **foursquare ball**4K/yr+8.2%9.3% conv. - **4 square balls**3K/yr+16.3%3.5% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/four-square-balls/search-terms)
## **Top four square balls products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$5K10%$11K15%$16K20%$22K101001K10K 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**Red & Blue Kickball Set - (8.5 Inch) with Pump for Toddlers Kids & Adults - Gym Sports Toys - Fun Playground Balls for Kids Dodgeball Four Square PE Games Recess and More**PlayBolt**$13.69**4.6★468 rev](https://www.amazon.com/dp/B0D3MB5R8F) [2**Yelaonen 10 Inch Kickball Playground Ball Dodgeball Balls 4 Square Balls Pack of 3 Dodge Balls for Kids Kickballs Handball for Indoor Outdoor Games Includes Pump**Yelaonen**$15.82**4.1★87 rev](https://www.amazon.com/dp/B0GJ418BBD) [3**EVERICH TOY Playground Balls Kickball 6 or 12 Pack 8.5 Soft Dodgeballs Bouncy Rubber Kick Balls for Kids Adults Outdoor Indoor 4 Square Ball School Yard Games for Boys Girls 3-5 5-8 8-12 with Pump**EVERICH TOY**$23.98**4.5★894 rev](https://www.amazon.com/dp/B0F93S82NQ) [4**Champion Sports Rhino Playground Balls 8.5D - Two Ply Nylon Wound BLUE**Champion Sports**$8.28**4.4★1,118 rev](https://www.amazon.com/dp/B000245XQU) [5**Champion Sports 10 Inch Playground Ball Red**Champion Sports**$10.76**4.5★2,863 rev](https://www.amazon.com/dp/B0017DC426)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**10 Inch Red & Blue Kickball Set - (2-Pack) with Pump - Large Playground Balls for Kids Teens & Adults - Gym Sports Balls for Kickball PE Recess Four Square & Backyard Games**PlayBolt**$17.50**468 rev5mo ago](https://www.amazon.com/dp/B0GP1KZXPK) [**Yelaonen 10 Inch Kickball Playground Ball Dodgeball Balls 4 Square Balls Pack of 3 Dodge Balls for Kids Kickballs Handball for Indoor Outdoor Games Includes Pump**Yelaonen**$15.82**87 rev6mo ago](https://www.amazon.com/dp/B0GJ418BBD) [**Amazon Basics 10-Inch Playground Kickball 2-Pack Red with Pump**Amazon Basics**$19.65**107 rev11mo ago](https://www.amazon.com/dp/B0DN5Y8FPG) [**EVERICH TOY Playground Balls Kickball 6 or 12 Pack 8.5 Soft Dodgeballs Bouncy Rubber Kick Balls for Kids Adults Outdoor Indoor 4 Square Ball School Yard Games for Boys Girls 3-5 5-8 8-12 with Pump**EVERICH TOY**$23.98**894 rev1y ago](https://www.amazon.com/dp/B0F93S82NQ) [**10 Inch Kickball Playground Balls - (Pack of 6) Inflatable Rubber Indoor Outdoor Bouncy Balls for Adults & Kids - Dodgeballs Kickballs Four Square and Handballs for School Gym with Hand Pump**PlayBolt**$28.24**430 rev1y ago](https://www.amazon.com/dp/B0DMN6THDQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**10 Inch Red & Blue Kickball Set - (2-Pack) with Pump - Large Playground Balls for Kids Teens & Adults - Gym Sports Balls for Kickball PE Recess Four Square & Backyard Games**PlayBolt**$17.50**4.6★**▲ 102%**](https://www.amazon.com/dp/B0GP1KZXPK) [**AppleRound 8.5 Inch Playground Ball with Air Pump Pack of 1 Ball with 1 Pump Official Size for Dodge Ball Handball Camps and Schools**AppleRound**$9.47**4.5★**▲ 83%**](https://www.amazon.com/dp/B0CNWCL378) [**Yelaonen 10 Inch Kickball Playground Ball Dodgeball Balls 4 Square Balls Pack of 3 Dodge Balls for Kids Kickballs Handball for Indoor Outdoor Games Includes Pump**Yelaonen**$15.82**4.1★**▲ 77%**](https://www.amazon.com/dp/B0GJ418BBD) [**LovesTown Inflatable Playground Ball 8.5 Inch Dodgeballs Blue Kickballs with Air Pump for 4 Square Ball Games Indoor & Outdoor Sports Toys Stocking Stuffers for Kids**LovesTown**$8.11**4.0★**▲ 72%**](https://www.amazon.com/dp/B0CRNHPH2V) [**Champion Sports Rhino Playground Balls 8.5D - Two Ply Nylon Wound PURPLE**Champion Sports**$9.48**4.5★**▲ 60%**](https://www.amazon.com/dp/B0029VU4RW)
**~~View all trending →~~**
## **What reviews say buyers love and hate about four square balls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“quality of these balls are good”*
**Fun/Entertainment Experience**14%
*“Great for summer fun”*
**Size-Overall**10%
*“Nice size”*
**Durability**10%
*“It is durable”*
**Value For Money**9%
*“Decent price”*
**Inflation/Deflation**9%
*“Doesn't deflate”*
**Color**6%
*“The colors are bright”*
**Advertised Vs Actual Product**5%
*“Exactly what I ordered”*
**Grip**2%
*“Grip and texture were spot on and made aiming your throws a lot easier”*
**Material Quality**2%
*“The material is strong”*
### **What buyers complain about **
**Size-Overall**17%
*“Not the same size”*
**Durability**15%
*“Does not last”*
**Inflation/Deflation**14%
*“The ball came deflated”*
**Quality-Overall**10%
*“Trash”*
**Leak-Proof**5%
*“it sprung a leak”*
**Thickness**3%
*“Much thicker material than a well known store”*
**Rubber Quality**2%
*“Within 2 months the rubber was brittle and developed leaks”*
**Advertised Vs Actual Product**2%
*“Now I'm kicking myself for not reading the description”*
**Weight Light**2%
*“Too Light”*
**Value For Money**1%
*“Also this ball is way too expensive”*
### **Top return reasons **
**Size-Overall**49%
**Inflation/Deflation**16%
**Functionality-Overall**5%
**Leak-Proof**5%
**Value For Money**5%
**Advertised Vs Actual Product**4%
**Durability**2%
**Smell**2%
**Defective Material/Parts**1%
**Hard Feel**1%
## **Common four square balls questions**
- **Is four square balls profitable to sell on Amazon United States?**
- The niche generates $110K/yr across 25 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +18.9%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the four square balls niche?**
- 11 brands and 32 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in four square balls?**
- Top complaints mined from reviews: Size-Overall, Durability, Inflation/Deflation. The return rate is 1.3%.
- **When does demand for four square balls peak?**
- Demand peaks in Apr–May; the busiest month runs 2.9× the quietest.
- **What does it cost to enter the four square balls niche?**
- Listings span $7.31–$28.24; the average listing price is $13.40 (sweet spot $15–$100). The average incumbent carries 718 reviews — the moat a new listing must climb.
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