---
title: "Trend — ninja birthday party decorations - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/ninja-birthday-party-decorations/trend"
last_updated: "2026-08-10T18:00:47.397Z"
locale: en
meta:
  description: "Niche score 50/100 · $93K/yr market · 121K searches/yr · $18.04 avg price. Soft demand (-16.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $93K/yr market · 121K searches/yr · $18.04 avg price. Soft demand (-16.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — ninja birthday party decorations - Flapen"
---

# **ninja birthday party decorations**

**Worth a look**

Shows a thin review moat (101 avg reviews), but soft demand (-16.4% this quarter) keeps it on the watch list.

Market size 23Growth 17Conversion 52Competition 73Returns 50Price range 76Avg price 83Brand share 80Review moat 95Quality gap 23

**Review moat**

**Great****101.17**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$18.04**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****55%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****$6.92–$40.19**

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

**Competition**

**Good****41%**

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

**Conversion**

**Good****4.3%**

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

**Returns**

**Okay****3.0%**

return rate — above 5% kills the launch gate

**Market size**

**Bad****$93K**

$93K/yr · 121K searches

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-16.4%**

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

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

## Trend