---
title: "Ninja Stars — $4K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/sports-outdoors/ninja-stars"
last_updated: "2026-08-12T14:50:54.959Z"
locale: en
meta:
  description: "Amazon product research for ninja stars: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for ninja stars: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Ninja Stars — $4K/mo Amazon US Product Research (2026)"
---

# **Ninja Stars**

**Skip it**

Weak search conversion (0.5%) — this niche doesn't clear our bar today.

Market size 12Growth 23Conversion 6Competition 59Returns 93Price range 36Avg price 95Brand share 81Review moat 62Quality gap 70

**Avg price**

**Incredible****$33.47**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****1,026.92**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****49%**

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

**Price range**

**Okay****$5.11–$238.60**

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

**Growth**

**Bad****-5.0%**

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

**Market size**

**Bad****$50K**

$50K/yr · 291K searches

**Conversion**

**Bad****0.5%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## **Is ninja stars profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, ninja stars is a $50K/yr Amazon United States market (291K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 49/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **ninja stars market size & sales**

Units sold, revenue, conversion and listing quality across the tracked shelf.

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$67K–$84K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,729**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**88%**</dd>

<dt>**Sponsored**</dt><dd>**46%**</dd>

<dt>**Out of stock**</dt><dd>**3.8%**</dd>

<dt>**Avg brand age**</dt><dd>**55 months**</dd>

<dt>**Avg seller age**</dt><dd>**186 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**21 **▼falling

**Sellers**

**44**

**Top-5 brand share**

**54%**

Top 20: 99%

**Top-5 click share**

**49%**

Top 20: 96%

**Open market**

**46%**

- Crlincen25% - OYEAL7% - Woxer6% - YWMSGM6% - TIETHEKNOT5% - Smith & Wesson5%

## **ninja stars demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -5.0% search growth over the last 90 days.

23K18KHoliday '24Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 3.4×

[**Open Trend **](https://flapen.com/research/us/sports-outdoors/ninja-stars/trend)

## **Top ninja stars search terms shoppers use**

The exact queries shoppers type, with yearly volume, growth and conversion.

- **throwing stars**153K/yr-9.4%0.5% conv. - **throwing stars metal**26K/yr+11.9%0.3% conv. - **ninja throwing stars metal**23K/yr+5.7%0.3% conv. - **chinese throwing stars**16K/yr+15.3%0.2% conv. - **throwing star**15K/yr+3.3%0.4% conv. - **throwing weapons**11K/yr+19.7%0.2% conv. - **ninja stars metal**8K/yr+11.9%0.0% conv. - **metal throwing stars**7K/yr+19.4%0.2% conv. - **throwing stars real**7K/yr-12.7%0.2% conv. - **throwing stars metal weapon for adults**5K/yr-11.3%0.3% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/ninja-stars/search-terms)

## **Top ninja stars products & what they sell for**

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$5K20%$10K30%$15K40%$20K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

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

### **Top sellers**

by 90-day click share

[1![Axe Throwing Game for Backyard 12 Inches Hanging Bristle Target Board with 4 Throwing Stars Ax Throwing Game Set for Adults and Kids Portable for Party Holiday and Birthday Gifts](https://m.media-amazon.com/images/I/51SfRrWl2sL.jpg)**Axe Throwing Game for Backyard 12 Inches Hanging Bristle Target Board with 4 Throwing Stars Ax Throwing Game Set for Adults and Kids Portable for Party Holiday and Birthday Gifts**Crlincen**$38.31**4.8★16 rev](https://www.amazon.com/dp/B0GJ3JXZZN) [2![Throwing Stars Axe Throwing Game for Backyard Throwing Axes and Tomahawks Set with Nylon Sheath 10in Throwing Hatchet Axe for Adults Competition and Recreation Axe Gift Set for Men](https://m.media-amazon.com/images/I/41b3pGAzmuL.jpg)**Throwing Stars Axe Throwing Game for Backyard Throwing Axes and Tomahawks Set with Nylon Sheath 10in Throwing Hatchet Axe for Adults Competition and Recreation Axe Gift Set for Men**OYEAL**$29.40**4.5★702 rev](https://www.amazon.com/dp/B0B4C6Q7WH) [3![Woxer Charcoal Heather Star 2.0 by Vlez](https://m.media-amazon.com/images/I/4132scLML5L.jpg)**Woxer Charcoal Heather Star 2.0 by Vlez**Woxer**$22.58**4.3★709 rev](https://www.amazon.com/dp/B0CSDZHXTC) [4![YWMSGM Ring Toss Games for Adults Patio Decor Yard Games Outdoor Indoor Games Wooden Hook and Ring Game for Bars Home Party Christmas Games](https://m.media-amazon.com/images/I/41r7wxU0LcL.jpg)**YWMSGM Ring Toss Games for Adults Patio Decor Yard Games Outdoor Indoor Games Wooden Hook and Ring Game for Bars Home Party Christmas Games**YWMSGM**$12.65**4.2★381 rev](https://www.amazon.com/dp/B0B12CLP5R) [5![TIETHEKNOT Mini Archery Bow Set Right Hand Mini Compound Bow Mini Hunting Bow Metal Material Catapult RH/LH for Hunting Shooting Practice Archery Entertainment Fun silvery](https://m.media-amazon.com/images/I/411-Q7mZhXL.jpg)**TIETHEKNOT Mini Archery Bow Set Right Hand Mini Compound Bow Mini Hunting Bow Metal Material Catapult RH/LH for Hunting Shooting Practice Archery Entertainment Fun silvery**TIETHEKNOT**$11.12**4.5★725 rev](https://www.amazon.com/dp/B0BKZW27FY)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Ninja Shuriken & Kunai Set 6pcs Black PVC Soft Made in Japan Throwing Stars 3.35 in Kunai 5.5 in & 9.8 in](https://m.media-amazon.com/images/I/31caLKjikNL.jpg)**Ninja Shuriken & Kunai Set 6pcs Black PVC Soft Made in Japan Throwing Stars 3.35 in Kunai 5.5 in & 9.8 in**Generic**$15.30**1 rev3mo ago](https://www.amazon.com/dp/B0GYB479MY) [![Axe Throwing Game for Backyard 12 Inches Hanging Bristle Target Board with 4 Throwing Stars Ax Throwing Game Set for Adults and Kids Portable for Party Holiday and Birthday Gifts](https://m.media-amazon.com/images/I/51SfRrWl2sL.jpg)**Axe Throwing Game for Backyard 12 Inches Hanging Bristle Target Board with 4 Throwing Stars Ax Throwing Game Set for Adults and Kids Portable for Party Holiday and Birthday Gifts**Crlincen**$38.31**16 rev6mo ago](https://www.amazon.com/dp/B0GJ3JXZZN) [![Ninja Throwing Star 3.75 x 3.75 Grey](https://m.media-amazon.com/images/I/31FKVV4kbjL.jpg)**Ninja Throwing Star 3.75 x 3.75 Grey**Southern Decalz**$5.11**0 rev10mo ago](https://www.amazon.com/dp/B0FPW1L319) [![REAT Throwing Knives - 3 Piece 6.5 440 Stainless Steel with Cord-Wrapped Handle Includes Nylon Carrying Case for Safe Storage Ninja Kunai Knives for Competition Recreation Gifts for Men Women](https://m.media-amazon.com/images/I/41iPUUdsPEL.jpg)**REAT Throwing Knives - 3 Piece 6.5 440 Stainless Steel with Cord-Wrapped Handle Includes Nylon Carrying Case for Safe Storage Ninja Kunai Knives for Competition Recreation Gifts for Men Women**REAT**$8.11**201 rev11mo ago](https://www.amazon.com/dp/B0FKYJJZH7) [![EastPoint Foam Throwing Stars - Pack of 8 Blue & Yellow - Safe Foam Design for Outdoor Games - Lightweight Precision for Axe Throwing Game - Complete Set for Backyard Fun](https://m.media-amazon.com/images/I/41Qz4osFD1L.jpg)**EastPoint Foam Throwing Stars - Pack of 8 Blue & Yellow - Safe Foam Design for Outdoor Games - Lightweight Precision for Axe Throwing Game - Complete Set for Backyard Fun**EastPoint Sports**$18.69**45 rev1y ago](https://www.amazon.com/dp/B0F5GF3GMF)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Ninja Shuriken & Kunai Set 6pcs Black PVC Soft Made in Japan Throwing Stars 3.35 in Kunai 5.5 in & 9.8 in](https://m.media-amazon.com/images/I/31caLKjikNL.jpg)**Ninja Shuriken & Kunai Set 6pcs Black PVC Soft Made in Japan Throwing Stars 3.35 in Kunai 5.5 in & 9.8 in**Generic**$15.30**5.0★**▲ 221%**](https://www.amazon.com/dp/B0GYB479MY) [![Axe Throwing Game for Backyard 12 Inches Hanging Bristle Target Board with 4 Throwing Stars Ax Throwing Game Set for Adults and Kids Portable for Party Holiday and Birthday Gifts](https://m.media-amazon.com/images/I/51SfRrWl2sL.jpg)**Axe Throwing Game for Backyard 12 Inches Hanging Bristle Target Board with 4 Throwing Stars Ax Throwing Game Set for Adults and Kids Portable for Party Holiday and Birthday Gifts**Crlincen**$38.31**4.8★**▲ 220%**](https://www.amazon.com/dp/B0GJ3JXZZN) [![HECASA Portable Texas Star Target Steel Target Stand Metal Shooting](https://m.media-amazon.com/images/I/31UwLMh1ovL.jpg)**HECASA Portable Texas Star Target Steel Target Stand Metal Shooting**HECASA**$238.60**4.4★**▲ 211%**](https://www.amazon.com/dp/B0DB1JLP7L) [![Woxer Charcoal Heather Star 2.0 by Vlez](https://m.media-amazon.com/images/I/4132scLML5L.jpg)**Woxer Charcoal Heather Star 2.0 by Vlez**Woxer**$22.58**4.3★**▲ 208%**](https://www.amazon.com/dp/B0CSDZHXTC) [![YWMSGM Ring Toss Games for Adults Patio Decor Yard Games Outdoor Indoor Games Wooden Hook and Ring Game for Bars Home Party Christmas Games](https://m.media-amazon.com/images/I/41r7wxU0LcL.jpg)**YWMSGM Ring Toss Games for Adults Patio Decor Yard Games Outdoor Indoor Games Wooden Hook and Ring Game for Bars Home Party Christmas Games**YWMSGM**$12.65**4.2★**▲ 173%**](https://www.amazon.com/dp/B0B12CLP5R)

**~~View all trending →~~**

## **What reviews say buyers love and hate about ninja stars**

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

### **What buyers love **

**Fun/Entertainment Experience**19%

*“Fun game”*

**Quality-Overall**13%

*“Good quality”*

**Value For Money**11%

*“Best value out there”*

**Sharpness**11%

*“Fun throwing knives”*

**Advertised Vs Actual Product**4%

*“Better than expected”*

**Ease Of Use**4%

*“EASE OF USE:”*

**Durability**3%

*“these are durable”*

**Balance/Stability**3%

*“Great balance”*

**Weight Light**3%

*“Short and light”*

**Size-Overall**2%

*“Good size”*

### **What buyers complain about **

**Quality-Overall**17%

*“Not good quality”*

**Durability**10%

*“Broken”*

**Size-Overall**8%

*“Too small”*

**Sharpness**7%

*“dull”*

**Weight Light**6%

*“Junk to light weight to be any use”*

**Hard Feel**4%

*“Brittle”*

**Strength**3%

*“Flimsy and bot well built”*

**Adhesion/Stickiness**3%

*“require exceptional amount of force to get them to stick”*

**Strap/String Quality**2%

*“Literally immediately, the one of the straps broke without me putting it on”*

**Handle Quality**2%

*“Cord from the handles has fallen off almost immediately. first use”*

### **Top return reasons **

**Size-Overall**23%

**Advertised Vs Actual Product**10%

**Quality-Overall**7%

**Functionality-Overall**7%

**Defective Material/Parts**7%

**Sharpness**6%

**Material Quality**4%

**Weight Light**4%

**Value For Money**4%

**Durability**3%

## **Common ninja stars questions**

<dl>

<dt>**Is ninja stars profitable to sell on Amazon United States?**</dt><dd>The niche generates $50K/yr across 24 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.0%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the ninja stars niche?**</dt><dd>21 brands and 44 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 54% of demand.</dd>

<dt>**What do buyers complain about in ninja stars?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 1.1%.</dd>

<dt>**When does demand for ninja stars peak?**</dt><dd>Demand peaks in Nov–Dec; the busiest month runs 3.4× the quietest.</dd>

<dt>**What does it cost to enter the ninja stars niche?**</dt><dd>Listings span $5.11–$238.60; the average listing price is $33.47 (sweet spot $15–$100). The average incumbent carries 1,027 reviews — the moat a new listing must climb.</dd>

</dl>

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