---
title: "Stranger Things Birthday Invitations — $8K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/stranger-things-birthday-invitations"
last_updated: "2026-08-09T18:28:47.783Z"
locale: en
meta:
description: "Niche score 26/100 · $8K/yr market · 23K searches/yr · $15.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 26/100 · $8K/yr market · 23K searches/yr · $15.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Stranger Things Birthday Invitations — $8K/yr Amazon US Niche (2026) - Flapen"
---
# **stranger things birthday invitations**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 2Growth 1Conversion 30Competition 0Returns 94Price range 55Avg price 76Brand share 0Review moat 98Quality gap 21
**Review moat**
**Incredible****41**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$15.27**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$10.01–$21.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$8K**
$8K/yr · 23K searches
**Growth**
**Bad****-47.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, stranger things birthday invitations is a $8K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 26/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **stranger things birthday invitations market data**
- **Units sold / yr**
- **1K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$19K–$23K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#2,293**
- **Page quality**
- **0%**
- **Prime**
- **80%**
- **Sponsored**
- **80%**
- **Out of stock**
- **7.7%**
- **Avg brand age**
- **-2 months**
- **Avg seller age**
- **203 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**6**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Amcisi43% - Tsalei35% - Silly Goose Gifts15% - Utaqer4% - PARTY BUZZ3%
## **Demand**
Weekly Amazon search volume, last 18 weeks — -47.8% search growth over the last 90 days.
1K600Spike '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/home-kitchen/stranger-things-birthday-invitations/trend)
## **Top stranger things birthday invitations products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$1K30%$3K45%$4K60%$5K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amcisi 36 Pcs Stranger Theme Party Invitations Set - 12 Birthday Party Invitation Cards 12 Envelopes and 12 Stickers for Mystery Things Theme Birthday Party Supplies**Amcisi**$13.88**4.7★11 rev](https://www.amazon.com/dp/B0GTWMHRVB) [2**Tsalei 36 Pcs Horror Theme Birthday Invitations Stranger 5 Movie Birthday Party Invitations Includes 12 invitation cards 12 envelopes and 12 stickers.**Tsalei**$14.37**4.7★26 rev](https://www.amazon.com/dp/B0G957FT44) [3**Silly Goose Gifts Retro Waffle Stranger Themed TV Party Invitations - Kids Birthday Cards Includes 12 Invites with Envelopes**Silly Goose Gifts**$16.99**4.6★116 rev](https://www.amazon.com/dp/B079LR7KM5) [4**Utaqer 4x6 11th Birthday Party Invitation Cards With Envelopes set of 20 Pink Neon Eleven Birthday Party Supplies for Boys Girls Kids or Teens Happy Birthday Celebration Invitation-b003**Utaqer**$10.01**4.7★35 rev](https://www.amazon.com/dp/B0C5RC8TF9) [5**50Pcs Stranger 5 TV Party Tableware Sets Movie Theme Birthday Decoration Supplies Including 7 and 9 Paper Plates Napkins and Paper Cup for Boys Girls Theme Party**PARTY BUZZ**$21.08**4.6★17 rev](https://www.amazon.com/dp/B0GGRPHD4D)
### **Newest**
by launch date
[**Amcisi 36 Pcs Stranger Theme Party Invitations Set - 12 Birthday Party Invitation Cards 12 Envelopes and 12 Stickers for Mystery Things Theme Birthday Party Supplies**Amcisi**$13.88**11 rev4mo ago](https://www.amazon.com/dp/B0GTWMHRVB) [**50Pcs Stranger 5 TV Party Tableware Sets Movie Theme Birthday Decoration Supplies Including 7 and 9 Paper Plates Napkins and Paper Cup for Boys Girls Theme Party**PARTY BUZZ**$21.08**17 rev6mo ago](https://www.amazon.com/dp/B0GGRPHD4D) [**Tsalei 36 Pcs Horror Theme Birthday Invitations Stranger 5 Movie Birthday Party Invitations Includes 12 invitation cards 12 envelopes and 12 stickers.**Tsalei**$14.37**26 rev6mo ago](https://www.amazon.com/dp/B0G957FT44) [**Utaqer 4x6 11th Birthday Party Invitation Cards With Envelopes set of 20 Pink Neon Eleven Birthday Party Supplies for Boys Girls Kids or Teens Happy Birthday Celebration Invitation-b003**Utaqer**$10.01**35 rev3y ago](https://www.amazon.com/dp/B0C5RC8TF9) [**Silly Goose Gifts Retro Waffle Stranger Themed TV Party Invitations - Kids Birthday Cards Includes 12 Invites with Envelopes**Silly Goose Gifts**$16.99**116 rev9y ago](https://www.amazon.com/dp/B079LR7KM5)
### **Trending**
90-day click momentum
[**Amcisi 36 Pcs Stranger Theme Party Invitations Set - 12 Birthday Party Invitation Cards 12 Envelopes and 12 Stickers for Mystery Things Theme Birthday Party Supplies**Amcisi**$13.88**4.7★**▲ 103%**](https://www.amazon.com/dp/B0GTWMHRVB) [**50Pcs Stranger 5 TV Party Tableware Sets Movie Theme Birthday Decoration Supplies Including 7 and 9 Paper Plates Napkins and Paper Cup for Boys Girls Theme Party**PARTY BUZZ**$21.08**4.6★**— 4%**](https://www.amazon.com/dp/B0GGRPHD4D) [**Tsalei 36 Pcs Horror Theme Birthday Invitations Stranger 5 Movie Birthday Party Invitations Includes 12 invitation cards 12 envelopes and 12 stickers.**Tsalei**$14.37**4.7★**▼ 13%**](https://www.amazon.com/dp/B0G957FT44) [**Silly Goose Gifts Retro Waffle Stranger Themed TV Party Invitations - Kids Birthday Cards Includes 12 Invites with Envelopes**Silly Goose Gifts**$16.99**4.6★**▼ 46%**](https://www.amazon.com/dp/B079LR7KM5) [**Utaqer 4x6 11th Birthday Party Invitation Cards With Envelopes set of 20 Pink Neon Eleven Birthday Party Supplies for Boys Girls Kids or Teens Happy Birthday Celebration Invitation-b003**Utaqer**$10.01**4.7★**▼ 53%**](https://www.amazon.com/dp/B0C5RC8TF9)
## **What buyers say about stranger things birthday invitations**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**40%
*“Exactly as described”*
**Size-Overall**14%
*“They fit his theme perfect”*
**Quality-Overall**14%
*“not something cheaply made”*
**Design-Overall**13%
*“everyone instantly recognized the design”*
**Value For Money**4%
*“Value and price point are decent and they seem very well made”*
**Print Quality**3%
*“The print on each item seems like good quality”*
**Paper Brightness**3%
*“The printing quality is bright and clear, with sturdy cardstock that doesnt bend easily”*
**Thickness**3%
*“The cardstock feels nice and thick and not flimsy”*
**Writing Experience**1%
*“Easy to use and write on”*
**Paper Quality**1%
*“Nice and durable paper-not easily ripped”*
### **What buyers complain about **
**Adhesion/Stickiness**25%
*“The envelopes do not have glue to close so you have to use tape or the provided sticker”*
**Size-Overall**25%
*“The invites themselves are larger in side than standard invitations”*
### **Top return reasons **
**Size-Overall**37%
**Value For Money**21%
**Advertised Vs Actual Product**16%
**Thin**11%
**Quality-Overall**5%
**Print Quality**5%
**Color**5%
## **Common questions**
- **Is stranger things birthday invitations profitable to sell on Amazon United States?**
- The niche generates $8K/yr across 5 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -47.8%. Flapen's verdict: Skip it (26/100).
- **How competitive is the stranger things birthday invitations niche?**
- 5 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in stranger things birthday invitations?**
- Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall. The return rate is 1.0%.
- **What does it cost to enter the stranger things birthday invitations niche?**
- Listings span $10.01–$21.08; the average listing price is $15.27 (sweet spot $15–$100). The average incumbent carries 41 reviews — the moat a new listing must climb.
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