21 inch tennis racket for kids
Worth a lookShows a sweet-spot price point ($27.62 avg), but a small market ($56K/yr) keeps it on the watch list.
Avg price
Incredible$27.62avg listing price — sweet spot $15–$100
Price range
Incredible$18.09–$41.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great39%top-5 click share — an open shelf
Conversion
Good6.8%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
Good962.61avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.2%return rate — above 5% kills the launch gate
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.7★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
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.Peak months: May, Jun, Jul · busiest ÷ quietest = 4.3×
Top 21 inch tennis racket for kids search terms
- 21 inch tennis racket for kids15K/yr
- kids tennis racket 21 inch6K/yr
- 21 tennis racket for kids5K/yr
- 21 inch tennis racket4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Wilson US Open Jr 21 Tennis Racket - Blue
WILSON$22.764.3★30 rev
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$25.884.7★1,236 rev
HEAD Radical 21 Junior Tennis Racquet 3 5/8 Grip
HEAD$32.924.8★47 rev
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$18.894.7★1,236 rev
HEAD Speed 21 Junior Tennis Racquet Red (SIOC)
HEAD$26.864.8★5,024 rev
Newest
by launch dateWilson US Open Jr 21 Tennis Racket - Blue
WILSON$22.7630 rev
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$39.5665 rev
HEAD Paw Patrol Junior Tennis Racquet White 21 Length
HEAD$34.3258 rev
HEAD Paw Patrol Junior Tennis Racquet Blue 21 Blue
HEAD$34.1458 rev
Wilson Ultra Power 21 Junior Recreational Tennis Racket - Pink/White/Blue
WILSON$37.5020 rev
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$26.004.7★
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$28.014.6★
Wilson US Open Jr 21 Tennis Racket - Blue
WILSON$22.764.3★
HEAD Radical 21 Junior Tennis Racquet 3 5/8 Grip
HEAD$32.924.8★
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$39.564.7★
What buyers say about 21 inch tennis racket for kids
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent racket for beginner”
“Well built”
“Good value”
“Perfect size”
“She loves the color as well”
“Great starter racket for little ones with little hands”
“Just as advertised”
“Durable, case is n added bonus”
“Its lightweight and works exactly as intended”
“Very easy for her to use”
What buyers complain about
“Love it for the mini tennis- wish the strings were a bit nicer”
“Its a tad bit smaller than my own”
Top return reasons
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.