---
title: "Trend — crystal radio kit - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/crystal-radio-kit/trend"
last_updated: "2026-08-08T23:34:29.226Z"
locale: en
meta:
  description: "Niche score 56/100 · $48K/yr market · 72K 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 56/100 · $48K/yr market · 72K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — crystal radio kit - Flapen"
---

# **crystal radio kit**

**Worth a look**

Shows a sweet-spot price point ($26.23 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 12Growth 16Conversion 31Competition 75Returns 83Price range 63Avg price 95Brand share 83Review moat 88Quality gap 88

**Avg price**

**Incredible****$26.23**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****239.23**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Great****52%**

top-5 brand share — no brand owns this niche

**Returns**

**Great****1.6%**

return rate — above 5% kills the launch gate

**Competition**

**Good****40%**

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

**Price range**

**Good****$6.35–$140.93**

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

**Conversion**

**Okay****2.5%**

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

**Growth**

**Bad****-18.4%**

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

**Market size**

**Bad****$48K**

$48K/yr · 72K searches

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

## Trend