---
title: "Gongii — $3K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/musical-instruments/gongii"
last_updated: "2026-08-10T19:57:14.397Z"
locale: en
meta:
description: "Niche score 32/100 · $3K/yr market · 9K searches/yr · $8.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $3K/yr market · 9K searches/yr · $8.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Gongii — $3K/yr Amazon US Niche (2026) - Flapen"
---
# **gongii**
**Skip it**
Prices mostly outside the sweet spot ($5.21–$14.06) — this niche doesn't clear our bar today.
Market size 1Growth 11Conversion 50Competition 17Returns 66Price range 0Avg price 24Brand share 29Review moat 84Quality gap 78
**Review moat**
**Great****327.89**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****4.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Bad****$8.68**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-28.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$3K**
$3K/yr · 9K searches
**Price range**
**Bad****$5.21–$14.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, gongii is a $3K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Mar–Jul–Nov. Verdict: Skip it — 32/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **gongii market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$2K–$4K**
- units × avg price
- **Conversion rate**
- **4.0%**
- **Avg BSR**
- **#217**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **22.7%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **241 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**36**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**5%**
- Redpai27% - Korea27% - LAON9016% - PETBSNVB10% - Markhomia8% - ARA7% - Open — no brand owns it (1 brand, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 71 weeks — -28.5% search growth over the last 90 days.
2K2KPrime Day '25Black Friday '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Mar, Jul, Nov · busiest ÷ quietest = 6.3×
[**Open Trend **](https://flapen.com/research/us/musical-instruments/gongii/trend)
## **Top gongii search terms**
- **gongii**7K/yr-41.7%5.4% conv. - **goggi**2K/yr+4.5%0.4% conv. - **gon gi**784/yr-2.3%1.2% conv. [**All search terms **](https://flapen.com/research/us/musical-instruments/gongii/search-terms)
## **Top gongii 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%$32320%$64630%$97040%$1K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Redpai Gonggi Game Set Pack of 5 with Steel Beads - Authentic Korean Jackstones 3D-Printed Durable Plastic Shells & Weighted Design forAdults Traditional Toss & Catch Game Gift**Redpai**$8.17**4.5★47 rev](https://www.amazon.com/dp/B0F3VTWXPF) [2![[Random] Korean Traditional Play Game Gonggi Jack Stone Pebbles Set (2 Sets)](https://m.media-amazon.com/images/I/412xhADqMeL.jpg)**\[Random\] Korean Traditional Play Game Gonggi Jack Stone Pebbles Set (2 Sets)**Korea**$9.41**3.7★602 rev](https://www.amazon.com/dp/B08VC5VLNT) [3**LAON90 LAON Korean Original Gonggi Not 3D Printed Portable 5 Stones Set with Pocket-Size Case (Colors: Red Green Blue) (Green)**LAON90**$5.21**4.4★224 rev](https://www.amazon.com/dp/B0DFPT2NKP) [4**Markhomia Gonggi Korean Traditional Folk Game Play Set - Jebi chagi Gong-gi Biseokchigi Paeng-y DDAKJI Family Travel Games (1 Set)**Markhomia**$13.00**4.2★362 rev](https://www.amazon.com/dp/B0DT1B8ZL4) [5**Gonggi Konggi Gong Gi Korean Jacks Jack Stone Game 1 Case includes 13 Pieces**ARA**$5.88**4.4★610 rev](https://www.amazon.com/dp/B01NCL7DOK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Redpai Gonggi Game Set Pack of 5 with Steel Beads - Authentic Korean Jackstones 3D-Printed Durable Plastic Shells & Weighted Design forAdults Traditional Toss & Catch Game Gift**Redpai**$8.17**47 rev1y ago](https://www.amazon.com/dp/B0F3VTWXPF) [**PETBSNVB Real Weighted Gonggi with Steel Beads in a Box Jackstones Gonggi Stones Traditional Korean Game for Party Great Gift for Children**PETBSNVB**$6.96**104 rev1y ago](https://www.amazon.com/dp/B0DXL8W6KM) [**ReeRaa Gonggi Korean Game Tossing Set (Korean Traditional Play Game) Jebi chagi Stone catching Biseokchigi Paeng-y DDAKJI & Family & Party Easter Basket Stuffers Christmas (1 Set)**ReeRaa**$14.06**500 rev1y ago](https://www.amazon.com/dp/B0DWMPYQQL) [**PETBSNVB 2 Packs 5pcs Real Weighted Gonggi with Steel Beads -The Lid and Body are Seamlessly Welded - Jackstones Gonggi Stones Traditional Korean Game for Party Great Gift for Children**PETBSNVB**$10.04**278 rev1y ago](https://www.amazon.com/dp/B0DT3G9VXX) [**Markhomia Gonggi Korean Traditional Folk Game Play Set - Jebi chagi Gong-gi Biseokchigi Paeng-y DDAKJI Family Travel Games (1 Set)**Markhomia**$13.00**362 rev1y ago](https://www.amazon.com/dp/B0DT1B8ZL4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Redpai Gonggi Game Set Pack of 5 with Steel Beads - Authentic Korean Jackstones 3D-Printed Durable Plastic Shells & Weighted Design forAdults Traditional Toss & Catch Game Gift**Redpai**$8.17**4.5★**▲ 104%**](https://www.amazon.com/dp/B0F3VTWXPF) [**LAON90 LAON Korean Original Gonggi Not 3D Printed Portable 5 Stones Set with Pocket-Size Case (Colors: Red Green Blue) (Blue)**LAON90**$5.44**4.4★**▲ 53%**](https://www.amazon.com/dp/B0DFPT566P) [![[Random] Korean Traditional Play Game Gonggi Jack Stone Pebbles Set (2 Sets)](https://m.media-amazon.com/images/I/412xhADqMeL.jpg)**\[Random\] Korean Traditional Play Game Gonggi Jack Stone Pebbles Set (2 Sets)**Korea**$9.41**3.7★**▲ 45%**](https://www.amazon.com/dp/B08VC5VLNT) [**LAON90 LAON Korean Original Gonggi Not 3D Printed Portable 5 Stones Set with Pocket-Size Case (Colors: Red Green Blue) (Green)**LAON90**$5.21**4.4★**▲ 30%**](https://www.amazon.com/dp/B0DFPT2NKP) [**ReeRaa Gonggi Korean Game Tossing Set (Korean Traditional Play Game) Jebi chagi Stone catching Biseokchigi Paeng-y DDAKJI & Family & Party Easter Basket Stuffers Christmas (1 Set)**ReeRaa**$14.06**4.2★**— 5%**](https://www.amazon.com/dp/B0DWMPYQQL)
**~~View all trending →~~**
## **What buyers say about gongii**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**47%
*“Lots of fun”*
**Quality-Overall**11%
*“These gonggi stones are excellent quality”*
**Gifting Purpose**6%
*“good gift”*
**Value For Money**6%
*“this is worth the money”*
**Advertised Vs Actual Product**5%
*“Was exactly what we ordered”*
**Size-Overall**4%
*“Good size”*
**Durability**2%
*“Good quality and durable”*
**Color**2%
*“Colors are bright and vivid and the shapes are printed perfectly”*
**Shape/Style**1%
*“in good shape thank you for your care on making sure our order went smoothly”*
**Fine Motor Skill**1%
*“Its great teaching eye hand coordination and boosts confidence”*
### **What buyers complain about **
**Quality-Overall**26%
*“Poor Quality and Items not Operational”*
**Durability**23%
*“Broke easy”*
**Size-Overall**6%
*“Small”*
**Value For Money**6%
*“feels like it could have costed more”*
**Color**5%
*“Not exactly the same colors as Squid games”*
**Ease Of Cleaning**5%
*“the little pieces are hard to clean up”*
**Material Quality**4%
*“Material”*
**Defective Material/Parts**2%
*“2 pieces already broke”*
**Thickness**2%
*“They are too thin”*
**Hard Feel**2%
*“it's supposed to be hard”*
### **Top return reasons **
**Defective Material/Parts**25%
**Quality-Overall**15%
**Size-Overall**11%
**Advertised Vs Actual Product**9%
**Value For Money**8%
**Functionality-Overall**6%
**Durability**4%
**Weight Light**4%
**Strength**3%
**Material Quality**3%
## **Common questions**
- **Is gongii profitable to sell on Amazon United States?**
- The niche generates $3K/yr across 9 tracked products. 90-day search growth is -28.5%. Flapen's verdict: Skip it (32/100).
- **How competitive is the gongii niche?**
- 7 brands and 36 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in gongii?**
- Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 2.4%.
- **When does demand for gongii peak?**
- Demand peaks in Mar–Jul–Nov; the busiest month runs 6.3× the quietest.
- **What does it cost to enter the gongii niche?**
- Listings span $5.21–$14.06; the average listing price is $8.68 (sweet spot $15–$100). The average incumbent carries 328 reviews — the moat a new listing must climb.
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