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51

ball on a string

Worth a look

Shows sweet-spot pricing room ($9.21–$95.83), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 50Growth 36Conversion 74Competition 26Returns 83Price range 90Avg price 84Brand share 0Review moat 57Quality gap 67

Price range

Great$9.21–$95.83

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

Avg price

Great$18.55

avg listing price — sweet spot $15–$100

Returns

Great1.6%

return rate — above 6% kills the launch gate

Conversion

Good6.9%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,214.06

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$272K

$272K/yr · 212K searches

Growth

Okay+8.8%

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

Competition

Okay69%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, ball on a string is a $272K/yr Amazon United States market (212K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Nov–Dec. Verdict: Worth a look — 51/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

ball on a string market data

Units sold / yr
13K–15K
avg 750–1,000/product
Revenue / yr
$232K–$278K
units × avg price
Launch success
3 of 3 new (360d)
Conversion rate
6.9%
Avg BSR
#212
Page quality
0%
Prime
94%
Sponsored
94%
Out of stock
0.0%
Avg brand age
48 months
Avg seller age
173 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 falling

Sellers

15

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

0%

  • Waboba46%
  • Skylety40%
  • ZUYEE11%
  • Amazon Basics2%
  • ArtCreativity1%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.8% search growth over the last 90 days.
13K8KSpike '24Black Friday '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Nov, Dec · busiest ÷ quietest = 4.5×

Top ball on a string search terms

  • moon ball bounce back42K/yr
  • ball on a string19K/yr
  • bounce back ball21K/yr
  • wrist return ball12K/yr
  • ball on string12K/yr
  • ball with string attached10K/yr
  • rebound ball10K/yr
  • bounce back moon ball16K/yr
  • ball with string8K/yr
  • moonball bounceback8K/yr
All search terms

Top ball on a string 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%10%$27K20%$54K30%$81K40%$109K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about ball on a string

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

What buyers love

Fun/Entertainment Experience45%

“Fun toy”

Gifting Purpose9%

“Great gift for kid”

Quality-Overall9%

“The ball is of very good quality”

Color4%

“the bright color makes it easy to spot outside”

Value For Money3%

“Great deal”

Size-Overall3%

“Its the perfect size to carry around”

Durability2%

“holds up well to lots of use”

Advertised Vs Actual Product2%

“Works exactly as advertised”

Grip2%

“its easy to grip”

Inflation/Deflation1%

“Bounces really well”

What buyers complain about

Strap/String Quality19%

“String Broke”

Durability15%

“Breaks easy”

Advertised Vs Actual Product11%

“The product picture is misleading”

Value For Money10%

“This was a little expensive”

Quality-Overall6%

“Not made well”

Size-Overall6%

“the ball could be bigger”

Functionality-Overall5%

“Balls out”

Stretchability/Expandability/Elasticity3%

“The elastic is really long”

Rope/Wire Tangling3%

“Not tied well, come undone easily”

Strength2%

“strong too flimsy”

Top return reasons

Size-Overall32%
Advertised Vs Actual Product15%
Strap/String Quality11%
Value For Money9%
Durability6%
Functionality-Overall4%
Color4%
Quality-Overall3%
Product Condition2%
Defective Material/Parts2%

Common questions

Is ball on a string profitable to sell on Amazon United States?
The niche generates $272K/yr across 16 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +8.8%. Flapen's verdict: Worth a look (51/100).
How competitive is the ball on a string niche?
5 brands and 15 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in ball on a string?
Top complaints mined from reviews: Strap/String Quality, Durability, Advertised Vs Actual Product. The return rate is 1.6%.
When does demand for ball on a string peak?
Demand peaks in Apr–May–Nov–Dec; the busiest month runs 4.5× the quietest.
What does it cost to enter the ball on a string niche?
Listings span $9.21–$95.83; the average listing price is $18.55 (sweet spot $15–$100). The average incumbent carries 1,214 reviews — the moat a new listing must climb.