---
title: "Reviews — 21st birthday cake topper - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/21st-birthday-cake-topper/reviews"
last_updated: "2026-07-31T13:12:09.621Z"
locale: en
meta:
  description: "Niche score 49/100 · £48K/yr market · 131K searches/yr · £4.03 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · £48K/yr market · 131K searches/yr · £4.03 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — 21st birthday cake topper - Flapen"
---

# **21st birthday cake topper**

**Skip it**

Prices mostly outside the sweet spot ($2.79–$6.35) — this niche doesn't clear our bar today.

Market size 12Growth 21Conversion 83Competition 70Returns 99Price range 0Avg price 11Brand share 79Review moat 57Quality gap 40

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****9.1%**

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

**Brand share**

**Great****56%**

top-5 brand share — no brand owns this niche

**Competition**

**Good****43%**

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

**Review moat**

**Good****1,229.77**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-8.5%**

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

**Market size**

**Bad****£48K**

£48K/yr · 131K searches

**Avg price**

**Bad****£4.03**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****£2.79–£6.35**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")