---
title: "Products — lego birthday party supplies - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/lego-birthday-party-supplies/products"
last_updated: "2026-08-06T03:22:45.650Z"
locale: en
meta:
  description: "Niche score 65/100 · $862K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 65/100 · $862K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — lego birthday party supplies - Flapen"
---

# **lego birthday party supplies**

**Worth a look**

Shows no brand lock-in (top 5 brands take 35% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 75Growth 23Conversion 52Competition 88Returns 75Price range 78Avg price 81Brand share 96Review moat 81Quality gap 24

**Brand share**

**Incredible****35%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****27%**

top-5 click share — an open shelf

**Review moat**

**Great****375.28**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$17.38**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$4.37–$53.36**

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

**Market size**

**Great****$862K**

$862K/yr · 1.2M searches

**Returns**

**Great****2.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****4.3%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-4.7%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## Products