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62

water polo ball

Worth a look

Shows a thin review moat (61 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 33Growth 87Conversion 66Competition 69Returns 70Price range 93Avg price 95Brand share 31Review moat 97Quality gap 32

Review moat

Incredible61.09

avg incumbent reviews — the moat a new listing must climb

Avg price

Incredible$34.52

avg listing price — sweet spot $15–$100

Price range

Great$13.97–$65.77

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

Growth

Great+89.5%

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

Returns

Good2.2%

return rate — above 5% kills the launch gate

Competition

Good43%

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

Conversion

Good5.9%

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

Market size

Okay$155K

$155K/yr · 76K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

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

According to Flapen's Amazon United States niche tracking, water polo ball is a $155K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 86% of demand. Verdict: Worth a look — 62/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

water polo ball market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
$138K–$173K
units × avg price
Conversion rate
5.9%
Avg BSR
#51
Page quality
0%
Prime
79%
Sponsored
36%
Out of stock
13.6%
Avg brand age
49 months
Avg seller age
174 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

19

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

43%

Top 20: 89%

Open market

9%

  • KAP K7 SEVEN33%
  • FORZA19%
  • Mikasa16%
  • Leitee12%
  • Jasonwell6%
  • The Dime Lab5%
  • Open — no brand owns it (4 brands, 9%)

Demand

Weekly Amazon search volume, last 16 weeks — +89.5% search growth over the last 90 days.
3K2KSpike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26

Top water polo ball search terms

  • water polo ball36K/yr
  • water polo ball size 49K/yr
  • waterpolo balls9K/yr
  • water polo ball size 57K/yr
  • water polo ball size 37K/yr
  • waterpolo ball5K/yr
  • water polo ball size 24K/yr
All search terms

Top water polo 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%3%$5K6%$9K9%$14K12%$19K1101001K Reviews — right = deep review moat Market 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.

What buyers say about water polo ball

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

What buyers love

Fun/Entertainment Experience15%

“100% 100% fun the kids love it”

Water Resistance13%

“Great ball for regular backyard play or in the water”

Quality-Overall12%

“The quality of the ball is good”

Inflation/Deflation9%

“Easy to inflate, deflate and great quality”

Grip8%

“Great grip”

Exercise/Sports Suitability7%

“sport well”

Soft Feel5%

“It has a good feel”

Material Quality4%

“Another thing the material the ball is made up of is nice”

Value For Money3%

“The volleyball are great and great price”

Advertised Vs Actual Product2%

“Works as advertised”

What buyers complain about

Size-Overall25%

“The ball is small”

Durability14%

“seems like it will not last long”

Quality-Overall9%

“Bad quality”

Advertised Vs Actual Product6%

“its all advertising hype”

Inflation/Deflation6%

“Doesnt hold air”

Grip6%

“The grip on this was weird”

Suitability Humid Weather3%

“the grip is terrible in rain or dry as day”

Suitability Hot Weather3%

“will not throw well with the wind at the beach”

Water Resistance2%

“Outside the water its a little slippery”

Hard Feel2%

“These aren't quite as soft as some other outdoor balls I've used”

Top return reasons

Size-Overall68%
Inflation/Deflation6%
Grip5%
Advertised Vs Actual Product4%
Value For Money4%
Material Quality2%
Leak-Proof1%
Water Resistance1%
Quality-Overall1%
Durability1%

Common questions

Is water polo ball profitable to sell on Amazon United States?
The niche generates $155K/yr across 33 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +89.5%. Flapen's verdict: Worth a look (62/100).
How competitive is the water polo ball niche?
10 brands and 19 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in water polo ball?
Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 2.2%.
What does it cost to enter the water polo ball niche?
Listings span $13.97–$65.77; the average listing price is $34.52 (sweet spot $15–$100). The average incumbent carries 61 reviews — the moat a new listing must climb.