---
title: "8 Lb Medicine Ball — $72K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/8-lb-medicine-ball"
last_updated: "2026-07-21T17:18:10.829Z"
locale: en
meta:
description: "Niche score 45/100 · $72K/yr market · 44K searches/yr · $29.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $72K/yr market · 44K searches/yr · $29.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "8 Lb Medicine Ball — $72K/yr Amazon US Niche (2026) - Flapen"
---
# **8 lb medicine ball**
**Skip it**
A small market ($72K/yr) — this niche doesn't clear our bar today.
Market size 18Growth 36Conversion 63Competition 63Returns 48Price range 57Avg price 95Brand share 51Review moat 25Quality gap 23
**Avg price**
**Incredible****$29.26**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****5.6%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****$11.72–$159.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****3.2%**
return rate — above 6% kills the launch gate
**Growth**
**Okay****+9.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,667.9**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$72K**
$72K/yr · 44K searches
According to Flapen's Amazon United States niche tracking, 8 lb medicine ball is a $72K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jun. Verdict: Skip it — 45/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **8 lb medicine ball market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$88K–$117K**
- units × avg price
- **Launch success**
- **—**
- 0 of 4 new (360d)
- **Conversion rate**
- **5.6%**
- **Avg BSR**
- **#38**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **90%**
- **Out of stock**
- **12.6%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **203 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 88%
**Open market**
**18%**
- GOOGIC22% - Amazon Basics16% - Tone Fitness15% - ProsourceFit12% - Champion Sports9% - STRPRETTY BASIC8% - Open — no brand owns it (8 brands, 18%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +9.2% search growth over the last 90 days.
1K750Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Jun · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/8-lb-medicine-ball/trend)
## **Top 8 lb medicine ball search terms**
- **8lb medicine ball**12K/yr+17.4%5.9% conv. - **8 lb medicine ball**11K/yr+22.0%5.5% conv. - **8 pound medicine ball**12K/yr-19.8%6.2% conv. - **medicine ball 8lb**8K/yr+36.4%6.0% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/8-lb-medicine-ball/search-terms)
## **Top 8 lb medicine ball 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%4%$3K8%$6K12%$9K16%$11K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 30 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Tone Fitness Soft Weighted Toning Ball Teal 8 Lbs**Tone Fitness**$11.72**4.7★3,258 rev](https://www.amazon.com/dp/B01N26ZCIP) [2**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Black)**GOOGIC**$24.39**4.6★587 rev](https://www.amazon.com/dp/B0F2TB9GR3) [3**Amazon Basics Weighted Medicine Ball for Core Strength Strength Training Full-Body Workouts and Balance Exercises 8 Pounds Red/Black**Amazon Basics**$21.78**4.8★13,637 rev](https://www.amazon.com/dp/B00R3N09EY) [4**ProsourceFit Weighted Rubber Medicine Ball for Full Body Workouts 8 lb**ProsourceFit**$29.75**4.8★805 rev](https://www.amazon.com/dp/B00JU7UCG6) [5**STRPRETTY BASIC Medicine Ball 8 lbs Slam Ball Weighted Balls for Exercise Strength and Crossfit Workout (Dynamic Black)**STRPRETTY BASIC**$23.27**4.7★373 rev](https://www.amazon.com/dp/B0CBMFXTDF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Purple)**GOOGIC**$23.26**587 rev3mo ago](https://www.amazon.com/dp/B0GX5B8229) [**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Black)**GOOGIC**$23.16**587 rev3mo ago](https://www.amazon.com/dp/B0GX5MSJXG) [**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Green)**GOOGIC**$23.12**587 rev3mo ago](https://www.amazon.com/dp/B0GX5BMW81) [**STRPRETTY BASIC Medicine Ball 8 lbs Slam Ball Weighted Balls for Exercise Strength and Crossfit Workout (Dynamic Orange)**STRPRETTY BASIC**$23.42**373 rev3mo ago](https://www.amazon.com/dp/B0GVMV6TCJ) [**RitFit Weighted Medicine Ball Set - 6LB / 8LB / 10LB / 12LB Non-Slip Rubber Shell & Dual Texture Grip - Workout Exercise Ball for Core Strength Balance Training Coordination Fitness**RitFit**$159.62**413 rev1y ago](https://www.amazon.com/dp/B097MYZTLJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**STRPRETTY BASIC Medicine Ball 8 lbs Slam Ball Weighted Balls for Exercise Strength and Crossfit Workout (Dynamic Orange)**STRPRETTY BASIC**$23.42**4.7★**▲ 116%**](https://www.amazon.com/dp/B0GVMV6TCJ) [**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Black)**GOOGIC**$23.16**4.6★**▲ 116%**](https://www.amazon.com/dp/B0GX5MSJXG) [**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Purple)**GOOGIC**$23.26**4.6★**▲ 115%**](https://www.amazon.com/dp/B0GX5B8229) [**STRPRETTY BASIC Medicine Ball 8 lbs Slam Ball Weighted Balls for Exercise Strength and Crossfit Workout (Dynamic Black)**STRPRETTY BASIC**$23.27**4.7★**▲ 114%**](https://www.amazon.com/dp/B0CBMFXTDF) [**GOOGIC Slam Ball 8 lbs Medicine Ball Weighted Balls for Exercise and Workout Strength Cardio Cross-Training and Core Workouts (8LB - Green)**GOOGIC**$23.12**4.6★**▲ 113%**](https://www.amazon.com/dp/B0GX5BMW81)
**~~View all trending →~~**
## **What buyers say about 8 lb medicine ball**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Appears to have been well made”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Value For Money**8%
*“Good value”*
**Durability**6%
*“Great quality, holds up really well so far, my son uses it at least 3 times a week for the past few months and it's great”*
**Inflation/Deflation**6%
*“The ball inflates easily with the included pump”*
**Exercise/Sports Suitability**5%
*“Great Exercise Ball”*
**Grip**5%
*“easily grippable”*
**Size-Overall**5%
*“Good size”*
**Ease Of Use**4%
*“Easy to use”*
**Efficiency**3%
*“are functional”*
### **What buyers complain about **
**Durability**13%
*“Broke within a month”*
**Size-Overall**12%
*“Not true to size”*
**Inflation/Deflation**12%
*“Deflates”*
**Quality-Overall**8%
*“Cheap and trash”*
**Leak-Proof**5%
*“its got a leak”*
**Strength**3%
*“Kind of small and flimsy”*
**Value For Money**3%
*“they are quite expensive”*
**Weight Heavy**2%
*“this is currently to heavy for me to do that”*
**Balance/Stability**2%
*“The balance of the ball is way off”*
**Product Condition**2%
*“Bought new received used”*
### **Top return reasons **
**Size-Overall**58%
**Inflation/Deflation**6%
**Weight Heavy**4%
**Value For Money**4%
**Advertised Vs Actual Product**4%
**Functionality-Overall**3%
**Leak-Proof**2%
**Material Quality**2%
**Smell**2%
**Grip**2%
## **Common questions**
- **Is 8 lb medicine ball profitable to sell on Amazon United States?**
- The niche generates $72K/yr across 30 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +9.2%. Flapen's verdict: Skip it (45/100).
- **How competitive is the 8 lb medicine ball niche?**
- 14 brands and 19 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in 8 lb medicine ball?**
- Top complaints mined from reviews: Durability, Size-Overall, Inflation/Deflation. The return rate is 3.2%.
- **When does demand for 8 lb medicine ball peak?**
- Demand peaks in Jun; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the 8 lb medicine ball niche?**
- Listings span $11.72–$159.62; the average listing price is $29.26 (sweet spot $15–$100). The average incumbent carries 4,668 reviews — the moat a new listing must climb.
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