---
title: "Sonic Birthday Party Supplies — $1.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/sonic-birthday-party-supplies"
last_updated: "2026-08-10T12:07:37.343Z"
locale: en
meta:
description: "Niche score 58/100 · $1.5M/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 58/100 · $1.5M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sonic Birthday Party Supplies — $1.5M/yr Amazon US Niche (2026) - Flapen"
---
# **sonic birthday party supplies**
**Worth a look**
Shows a $1.5M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 86Growth 22Conversion 49Competition 67Returns 79Price range 71Avg price 79Brand share 57Review moat 67Quality gap 23
**Market size**
**Great****$1.5M**
$1.5M/yr · 2.3M searches
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$16.67**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.88–$39.54**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****813.56**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-5.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, sonic birthday party supplies is a $1.5M/yr Amazon United States market (2.3M searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jan–Mar. Verdict: Worth a look — 58/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sonic birthday party supplies market data**
- **Units sold / yr**
- **80K–100K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$1.3M–$1.7M**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#844**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **7.1%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **144 days**
## **Competition & brand share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**71%**
Top 20: 100%
**Top-5 click share**
**45%**
Top 20: 85%
**Open market**
**25%**
- Unique30% - Mighty Mojo16% - Sonic The Hedgehog12% - Betty Crocker6% - DecoPac6% - Amscan5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.3% search growth over the last 90 days.
100K60KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Mar · busiest ÷ quietest = 2.3×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/sonic-birthday-party-supplies/trend)
## **Top sonic birthday party supplies search terms**
- **sonic birthday party decorations**879K/yr-3.5%2.4% conv. - **sonic party favors**318K/yr-19.4%2.6% conv. - **sonic birthday decorations**154K/yr+16.0%2.3% conv. - **sonic party decorations**176K/yr+5.1%2.4% conv. - **sonic birthday**95K/yr-5.3%1.7% conv. - **sonic backdrop**90K/yr+4.6%0.7% conv. - **sonic goodie bags**81K/yr-7.0%2.8% conv. - **sonic the hedgehog birthday decorations**53K/yr+11.3%1.9% conv. - **sonic decorations for birthday**66K/yr-1.4%2.1% conv. - **sonic birthday party favors**60K/yr-15.0%2.4% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/sonic-birthday-party-supplies/search-terms)
## **Top sonic birthday party supplies 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%5%$75K10%$150K15%$224K20%$299K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sonic The Hedgehog Birthday Party Kit - Complete Supplies for 10 Video Game Themed Decorations Licensed Banner Plates Cups Balloons Games and Favors for Kids Celebration**Mighty Mojo**$39.54**4.8★1,173 rev](https://www.amazon.com/dp/B0CRL9VS3S) [2**Sonic Birthday Party Decorations for 16 | Banner Tablecloth Plates and Napkins Masks Sticker | Sonic Party Decorations | Officially Licensed**Unique**$25.23**4.8★900 rev](https://www.amazon.com/dp/B0DGH1R89Q) [3**Sonic The Hedgehog Fruit Flavored Snacks Treat Pouches Gluten Free Snack Value Pack 22 Ct 17.6 oz**Betty Crocker**$4.88**4.8★2,480 rev](https://www.amazon.com/dp/B0B1S99YFL) [4**Sonic Birthday Party Decorations | Serves 16 Guests | Balloons Masks Banner Tablecloth Plates Napkins Candles Sticker | Officially Licensed**Unique**$29.25**4.8★112 rev](https://www.amazon.com/dp/B0FHXSK4K9) [5**Sonic Birthday Party Decorations for 16 | Banner Tablecloth Sonic Plates and Napkins Sticker | Sonic Party Decorations | Officially Licensed**Unique**$21.94**4.8★238 rev](https://www.amazon.com/dp/B0DDDHWGRP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**72 Pcs Hedgehog Birthday Party Favors with Bubble Wands Gift Bags**Generic**$18.69**6 rev3mo ago](https://www.amazon.com/dp/B0GXTYCD2X) [**Sonic Table Cloth and Sonic Birthday Banner | Birthday Party Decorations and Supplies | Officially Licensed**Unique**$9.96**61 rev4mo ago](https://www.amazon.com/dp/B0GPMFWPKM) [**Sonic Birthday Party Decorations | Serves 16 Guests | Masks Tattoos Banner Tablecloth Plates Napkins Sticker | Officially Licensed**Unique**$26.94**49 rev7mo ago](https://www.amazon.com/dp/B0G5TGHHTV) [**Sonic the Hedgehog Cake Candles | 6 Birthday Cake Candles Featuring Sonic Knuckles & Tails for Sonic Party**DecoPac**$9.23**131 rev11mo ago](https://www.amazon.com/dp/B0FPX6NSW6) [**Sonic Birthday Party Decorations | Serves 16 Guests | Balloons Masks Banner Tablecloth Plates Napkins Candles Sticker | Officially Licensed**Unique**$29.25**112 rev1y ago](https://www.amazon.com/dp/B0FHXSK4K9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**72 Pcs Hedgehog Birthday Party Favors with Bubble Wands Gift Bags**Generic**$18.69**4.4★**▲ 343%**](https://www.amazon.com/dp/B0GXTYCD2X) [**Sonic Table Cloth and Sonic Birthday Banner | Birthday Party Decorations and Supplies | Officially Licensed**Unique**$9.96**4.6★**▲ 285%**](https://www.amazon.com/dp/B0GPMFWPKM) [**Tutu and Sian Ultra Soft Birthday Boy Short-Sleeve T-Shirt Gifts for Boys Birthday Party (US Age 4 Years 5 Years Birthday Boy 1)**Tutu and Sian**$16.83**4.6★**▲ 197%**](https://www.amazon.com/dp/B0B68LDVJR) [**Sonic Birthday Party Decorations | Serves 16 Guests | Masks Tattoos Banner Tablecloth Plates Napkins Sticker | Officially Licensed**Unique**$26.94**4.3★**▲ 144%**](https://www.amazon.com/dp/B0G5TGHHTV) [**Sonic Birthday Party Decorations for 16 | Banner Tablecloth Sonic Plates and Napkins Sticker | Sonic Party Decorations | Officially Licensed**Unique**$21.94**4.8★**▲ 112%**](https://www.amazon.com/dp/B0DDDHWGRP)
**~~View all trending →~~**
## **What buyers say about sonic birthday party supplies**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Very strong bags and good quality”*
**Color**14%
*“The colors were amazing”*
**Advertised Vs Actual Product**11%
*“As described”*
**Value For Money**8%
*“Good value”*
**Design-Overall**5%
*“the character designs are crisp”*
**Taste-Overall**5%
*“Taste great”*
**Assembly/Installation**4%
*“Easy to set up”*
**Ease Of Use**4%
*“Easy to use”*
**Size-Overall**4%
*“Good size”*
**Durability**4%
*“Seems durable to last a party”*
### **What buyers complain about **
**Quality-Overall**20%
*“The table cloth was missing a corner, poor quality”*
**Size-Overall**12%
*“A bit small”*
**Durability**11%
*“It breaks very easily”*
**Inflation/Deflation**7%
*“The spiked balloons deflated within 30 minutes of blowing them”*
**Advertised Vs Actual Product**5%
*“5) the images are very misleading”*
**Strength**5%
*“Very fragile and easily falls apart”*
**Adhesion/Stickiness**4%
*“the tape kept falling off”*
**Thickness**4%
*“Not as dense as I wanted them to be”*
**Value For Money**3%
*“Cheap, not worth the money”*
**Instructions/User Manual/Troubleshooting**3%
*“I should have read the instruction a little better”*
### **Top return reasons **
**Size-Overall**25%
**Value For Money**24%
**Color**11%
**Advertised Vs Actual Product**8%
**Quality-Overall**6%
**Defective Material/Parts**5%
**Adhesion/Stickiness**3%
**Inflation/Deflation**2%
**Material Quality**2%
**Functionality-Overall**2%
## **Common questions**
- **Is sonic birthday party supplies profitable to sell on Amazon United States?**
- The niche generates $1.5M/yr across 32 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is -5.3%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the sonic birthday party supplies niche?**
- 20 brands and 48 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 71% of demand.
- **What do buyers complain about in sonic birthday party supplies?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Durability. The return rate is 1.8%.
- **When does demand for sonic birthday party supplies peak?**
- Demand peaks in Jan–Mar; the busiest month runs 2.3× the quietest.
- **What does it cost to enter the sonic birthday party supplies niche?**
- Listings span $4.88–$39.54; the average listing price is $16.67 (sweet spot $15–$100). The average incumbent carries 814 reviews — the moat a new listing must climb.
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