---
title: "21 Inch Tennis Racket for Kids — $56K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/21-inch-tennis-racket-for-kids"
last_updated: "2026-08-06T19:46:49.415Z"
locale: en
meta:
description: "Niche score 55/100 · $56K/yr market · 30K searches/yr · $27.62 avg price. A small market ($56K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $56K/yr market · 30K searches/yr · $27.62 avg price. A small market ($56K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "21 Inch Tennis Racket for Kids — $56K/yr Amazon US Niche (2026) - Flapen"
---
# **21 inch tennis racket for kids**
**Worth a look**
Shows a sweet-spot price point ($27.62 avg), but a small market ($56K/yr) keeps it on the watch list.
Market size 14Growth 72Conversion 73Competition 76Returns 48Price range 95Avg price 95Brand share 35Review moat 63Quality gap 19
**Avg price**
**Incredible****$27.62**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$18.09–$41.14**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****39%**
top-5 click share — an open shelf
**Conversion**
**Good****6.8%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+55.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****962.61**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****3.2%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****84%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$56K**
$56K/yr · 30K searches
According to Flapen's Amazon United States niche tracking, 21 inch tennis racket for kids is a $56K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **21 inch tennis racket for kids market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$41K–$55K**
- units × avg price
- **Conversion rate**
- **6.8%**
- **Avg BSR**
- **#43**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **97%**
- **Out of stock**
- **10.1%**
- **Avg brand age**
- **60 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
**Brands**
**13 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**84%**
Top 20: 100%
**Top-5 click share**
**39%**
Top 20: 90%
**Open market**
**10%**
- HEAD32% - AMA SPORT19% - WILSON19% - Street Tennis Club7% - vgainwells6% - AboveGenius6% - Open — no brand owns it (7 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 55 weeks — +55.4% search growth over the last 90 days.
1K750Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: May, Jun, Jul · busiest ÷ quietest = 4.3×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/21-inch-tennis-racket-for-kids/trend)
## **Top 21 inch tennis racket for kids search terms**
- **21 inch tennis racket for kids**15K/yr+53.4%5.6% conv. - **kids tennis racket 21 inch**6K/yr+95.5%5.2% conv. - **21 tennis racket for kids**5K/yr+83.7%5.3% conv. - **21 inch tennis racket**4K/yr-3.4%4.7% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/21-inch-tennis-racket-for-kids/search-terms)
## **Top 21 inch tennis racket for kids 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%$7K1101001K10K 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**Wilson US Open Jr 21 Tennis Racket - Blue**WILSON**$22.76**4.3★30 rev](https://www.amazon.com/dp/B0G8R9HH6V) [2**AMA SPORT Kids Tennis Racket for Junior Toddlers Starter Kit 17-25 for Girl Pink and Boy Yellow with 420D Nylon Shoulder Strap Bag Graffiti Pink 21**AMA SPORT**$25.88**4.7★1,236 rev](https://www.amazon.com/dp/B0C1Y7ZS5Z) [3**HEAD Radical 21 Junior Tennis Racquet 3 5/8 Grip**HEAD**$32.92**4.8★47 rev](https://www.amazon.com/dp/B0DQLLPHK1) [4**AMA SPORT Kids Tennis Racket for Junior Toddlers Starter Kit 17-25 for Girl Pink and Boy Yellow with 420D Nylon Shoulder Strap Bag Graffiti Pink 17**AMA SPORT**$18.89**4.7★1,236 rev](https://www.amazon.com/dp/B0C1Y5WFKC) [5**HEAD Speed 21 Junior Tennis Racquet Red (SIOC)**HEAD**$26.86**4.8★5,024 rev](https://www.amazon.com/dp/B095RZ2P67)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wilson US Open Jr 21 Tennis Racket - Blue**WILSON**$22.76**30 rev6mo ago](https://www.amazon.com/dp/B0G8R9HH6V) [**AboveGenius 21 inch Kids Tennis Racket Set for Toddlers Age 4-6 Beginner Tennis Racquet for Boys Girls with 3 Tennis Balls & Adjustable Shoulder Strap Bag Lightweight Aluminum Alloy**AboveGenius**$39.56**65 rev10mo ago](https://www.amazon.com/dp/B0FPD37FXF) [**HEAD Paw Patrol Junior Tennis Racquet White 21 Length**HEAD**$34.32**58 rev11mo ago](https://www.amazon.com/dp/B0FL2S5VR3) [**HEAD Paw Patrol Junior Tennis Racquet Blue 21 Blue**HEAD**$34.14**58 rev11mo ago](https://www.amazon.com/dp/B0FL2S914N) [**Wilson Ultra Power 21 Junior Recreational Tennis Racket - Pink/White/Blue**WILSON**$37.50**20 rev1y ago](https://www.amazon.com/dp/B0DVGV2M1Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Teloon Kids Tennis Racket 19-25 Inch Youth Tennis Racquet with Cover Junior Tennis Racquet for Kids Children Boys Girls Age 3-12. (Orange-Blue 21)**Teloon**$26.00**4.7★**▲ 60%**](https://www.amazon.com/dp/B09P3K7XZW) [**Kids Tennis Racket with Training Videos 21 Inch Aluminum Youth Tennis Racket with Neoprene Handle for Children Age 5-12 Learn Faster and Play Better by Street Tennis Club Black/Yellow**Street Tennis Club**$28.01**4.6★**▲ 50%**](https://www.amazon.com/dp/B01FGFBA70) [**Wilson US Open Jr 21 Tennis Racket - Blue**WILSON**$22.76**4.3★**▲ 47%**](https://www.amazon.com/dp/B0G8R9HH6V) [**HEAD Radical 21 Junior Tennis Racquet 3 5/8 Grip**HEAD**$32.92**4.8★**▲ 47%**](https://www.amazon.com/dp/B0DQLLPHK1) [**AboveGenius 21 inch Kids Tennis Racket Set for Toddlers Age 4-6 Beginner Tennis Racquet for Boys Girls with 3 Tennis Balls & Adjustable Shoulder Strap Bag Lightweight Aluminum Alloy**AboveGenius**$39.56**4.7★**▲ 44%**](https://www.amazon.com/dp/B0FPD37FXF)
**~~View all trending →~~**
## **What buyers say about 21 inch tennis racket for kids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Suitability Beginner**31%
*“Excellent racket for beginner”*
**Quality-Overall**19%
*“Well built”*
**Value For Money**16%
*“Good value”*
**Size-Overall**12%
*“Perfect size”*
**Color**5%
*“She loves the color as well”*
**Grip**5%
*“Great starter racket for little ones with little hands”*
**Advertised Vs Actual Product**4%
*“Just as advertised”*
**Durability**3%
*“Durable, case is n added bonus”*
**Weight Light**3%
*“Its lightweight and works exactly as intended”*
**Ease Of Use**2%
*“Very easy for her to use”*
### **What buyers complain about **
**Strap/String Quality**50%
*“Love it for the mini tennis- wish the strings were a bit nicer”*
**Size-Overall**10%
*“Its a tad bit smaller than my own”*
### **Top return reasons **
**Size-Overall**70%
**Value For Money**7%
**Grip**4%
**Weight Heavy**4%
**Advertised Vs Actual Product**4%
**Color**3%
**Handle Quality**1%
**Product Condition**1%
**Strap/String Quality**1%
**Functionality-Overall**1%
## **Common questions**
- **Is 21 inch tennis racket for kids profitable to sell on Amazon United States?**
- The niche generates $56K/yr across 31 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +55.4%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the 21 inch tennis racket for kids niche?**
- 13 brands and 27 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 84% of demand.
- **What do buyers complain about in 21 inch tennis racket for kids?**
- Top complaints mined from reviews: Strap/String Quality, Size-Overall. The return rate is 3.2%.
- **When does demand for 21 inch tennis racket for kids peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 4.3× the quietest.
- **What does it cost to enter the 21 inch tennis racket for kids niche?**
- Listings span $18.09–$41.14; the average listing price is $27.62 (sweet spot $15–$100). The average incumbent carries 963 reviews — the moat a new listing must climb.
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