---
title: "Reviews — mahjong playing cards - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/mahjong-playing-cards/reviews"
last_updated: "2026-08-08T13:54:36.537Z"
locale: en
meta:
  description: "Niche score 60/100 · $38K/yr market · 59K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 60/100 · $38K/yr market · 59K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — mahjong playing cards - Flapen"
---

# **mahjong playing cards**

**Worth a look**

Shows a thin review moat (90 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 9Growth 77Conversion 39Competition 66Returns 45Price range 73Avg price 89Brand share 76Review moat 95Quality gap 84

**Review moat**

**Incredible****90.25**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$20.67**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Growth**

**Great****+64.3%**

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

**Brand share**

**Great****59%**

top-5 brand share — no brand owns this niche

**Price range**

**Good****$5.86–$40.32**

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

**Competition**

**Good****46%**

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

**Returns**

**Okay****3.4%**

return rate — above 5% kills the launch gate

**Conversion**

**Okay****3.1%**

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

**Market size**

**Bad****$38K**

$38K/yr · 59K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Reviews