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66

foam tennis balls

Worth a look

Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 12Growth 77Conversion 96Competition 72Returns 97Price range 37Avg price 23Brand share 88Review moat 82Quality gap 68

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Incredible13.2%

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

Brand share

Great47%

top-5 brand share — no brand owns this niche

Review moat

Great362.69

avg incumbent reviews — the moat a new listing must climb

Growth

Great+65.1%

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

Competition

Good42%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Okay£4.14–£21.38

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

Avg price

Bad£8.40

avg listing price — sweet spot $15–$100

Market size

Bad£47K

£47K/yr · 43K searches

According to Flapen's Amazon United Kingdom niche tracking, foam tennis balls is a £47K/yr Amazon United Kingdom market (43K searches/yr). The top 5 brands hold 47% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 66/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

foam tennis balls market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
£34K–£42K
units × avg price
Conversion rate
13.2%
Avg BSR
#189
Page quality
0%
Prime
89%
Sponsored
91%
Out of stock
2.8%
Avg brand age
52 months
Avg seller age
188 days

Competition & brand share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

29 rising

Sellers

53

Top-5 brand share

47%

Top 20: 94%

Top-5 click share

42%

Top 20: 86%

Open market

47%

  • Wilson15%
  • HTI12%
  • HEAD8%
  • DNTHYRIN6%
  • Xujinsongg6%
  • Adhawk6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +65.1% search growth over the last 90 days.
2K1KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 3.6×

Top foam tennis balls search terms

  • foam tennis balls12K/yr
  • foam tennis balls for kids7K/yr
  • soft tennis balls for kids6K/yr
  • soft tennis balls7K/yr
  • sponge tennis balls7K/yr
  • sponge tennis balls for kids3K/yr
All search terms

Top foam tennis balls 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%£1K6%£3K9%£4K12%£6K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about foam tennis balls

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

What buyers love

Quality-Overall21%

“Good quality”

Value For Money18%

“Great value”

Fun/Entertainment Experience10%

“Perfect for my 11 month old Grandfurbaby to play with”

Advertised Vs Actual Product9%

“Exactly as described”

Size-Overall7%

“Good fit for purpose”

Weight Light6%

“These balls are great, they are lightweight and bounce well”

Soft Feel5%

“Soft enough for him to squash in his jaws”

Durability4%

“Good value for money and very durable”

Suitable For Indoor3%

“Fun indoors”

Suitability Beginner3%

“Great quality for beginners”

What buyers complain about

Quality-Overall35%

“Cheap quality”

Size-Overall9%

“Not tennis ball size”

Smell6%

“The smell”

Advertised Vs Actual Product6%

“Misleading photos”

Durability5%

“only last two weeks playing catch on yard”

Strap/String Quality5%

“The ball is detached from the string”

Rubber Quality4%

“Shocking quality, one of the balls has a brown stain on, the rubber they've very poorly added is so thick in places the balls probably wouldnt bounce”

Value For Money4%

“Expensive for what they are”

Exercise/Sports Suitability2%

“not suitable for playing tennis. even with kids”

Hard Feel2%

“Not soft balls”

Top return reasons

Size-Overall36%
Quality-Overall17%
Advertised Vs Actual Product11%
Functionality-Overall10%
Defective Material/Parts3%
Value For Money2%
Soft Feel2%
Strap/String Quality2%
Durability2%
Color2%

Common questions

Is foam tennis balls profitable to sell on Amazon United Kingdom?
The niche generates £47K/yr across 35 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is +65.1%. Flapen's verdict: Worth a look (66/100).
How competitive is the foam tennis balls niche?
29 brands and 53 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in foam tennis balls?
Top complaints mined from reviews: Quality-Overall, Size-Overall, Smell. The return rate is 0.6%.
When does demand for foam tennis balls peak?
Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 3.6× the quietest.
What does it cost to enter the foam tennis balls niche?
Listings span £4.14–£21.38; the average listing price is £8.40 (sweet spot $15–$100). The average incumbent carries 363 reviews — the moat a new listing must climb.