---
title: "Foam Letters — $188K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/foam-letters"
last_updated: "2026-08-09T23:02:36.604Z"
locale: en
meta:
description: "Niche score 61/100 · $188K/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 61/100 · $188K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Foam Letters — $188K/yr Amazon US Niche (2026) - Flapen"
---
# **foam letters**
**Worth a look**
Shows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 38Growth 49Conversion 62Competition 73Returns 91Price range 85Avg price 64Brand share 73Review moat 66Quality gap 33
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$4.62–$89.99**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****41%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****61%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****870.95**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$13.69**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****5.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+18.8%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$188K**
$188K/yr · 251K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, foam letters is a $188K/yr Amazon United States market (251K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in May. Verdict: Worth a look — 61/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **foam letters market data**
- **Units sold / yr**
- **13K–15K**
- avg 100–250/product
- **Revenue / yr**
- **$171K–$205K**
- units × avg price
- **Conversion rate**
- **5.5%**
- **Avg BSR**
- **#2,864**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **90%**
- **Out of stock**
- **12.5%**
- **Avg brand age**
- **96 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**28 **▼falling
**Sellers**
**49**
**Top-5 brand share**
**61%**
Top 20: 93%
**Top-5 click share**
**41%**
Top 20: 78%
**Open market**
**34%**
- cometin19% - Nuby18% - Auteard10% - Juvale8% - Munchkin7% - Funsland4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +18.8% search growth over the last 90 days.
7K5KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/foam-letters/trend)
## **Top foam letters search terms**
- **foam letters**83K/yr+35.5%3.6% conv. - **foam letter stickers**44K/yr+5.9%4.7% conv. - **foam alphabet letters**16K/yr+46.5%7.4% conv. - **large foam letters**17K/yr+27.1%0.5% conv. - **foam letters for crafts**17K/yr+1.8%1.8% conv. - **foam letters stickers**9K/yr+23.3%3.7% conv. - **foam sticker letters**8K/yr+17.4%4.2% conv. - **foam letters large**12K/yr-13.7%0.9% conv. - **foam letters and numbers**6K/yr+33.5%4.6% conv. - **foam alphabet stickers**7K/yr-4.7%3.9% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/foam-letters/search-terms)
## **Top foam letters 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%$9K10%$19K15%$28K20%$38K1101001K10K100K 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**Nuby Foam Bath Letters and Numbers for Toddlers - Bath Toy Set for Kids 3+ Years - 36 Pieces**Nuby**$6.26**4.8★431 rev](https://www.amazon.com/dp/B0DHLQBYCZ) [2**Juvale Foam Letter Stickers - Easy Peel Alphabet Stickers - Soft Sponge Foam Letters for Crafts - 1300 Pieces 50 Sets 6 Colors**Juvale**$13.31**4.6★1,259 rev](https://www.amazon.com/dp/B07JPZ4WQ3) [3**Munchkin Learn Bath Letters and Numbers 36pc Toddler Bath Toy**Munchkin**$5.57**4.8★20,373 rev](https://www.amazon.com/dp/B000V98HCI) [4**1312 Pcs Foam Letter Stickers Self-Adhesive EVA Alphabet Stickers Small 1 Inch 3D Foam Letters for DIY Crafts Scrapbooking School Projects Classroom Displays Office Home Party Decor (8 Colors)**cometin**$10.48**4.8★15 rev](https://www.amazon.com/dp/B0GR8YC3SN) [5**Bath Toys Organizer + 36 Soft Foam ABC 123 Letters & Numbers Bathroom Alphabet Baby Toys for Early Learning Foam Letters and Quick Dry Storage Net Bag**Funsland**$15.17**4.7★336 rev](https://www.amazon.com/dp/B08L8S7JRT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**1312 Pcs Foam Letter Stickers Self-Adhesive EVA Alphabet Stickers Small 1 Inch 3D Foam Letters for DIY Crafts Scrapbooking School Projects Classroom Displays Office Home Party Decor (8 Colors)**cometin**$10.48**15 rev4mo ago](https://www.amazon.com/dp/B0GR8YC3SN) [**Letter Stickers 1376 PCS Foam Letter Stickers 3D Self-Adhesive Alphabet Stickers for DIY Crafts 1 Inch Cute Foam Letters for Scrapbooking School Projects Classroom Supplies Party Decoration 8 Colors**cometin**$10.13**28 rev4mo ago](https://www.amazon.com/dp/B0GR8X5M2T) [**1312 Pcs Foam Letter Stickers Self-Adhesive EVA Alphabet Stickers Small 1 Inch 3D Foam Letters for DIY Crafts Scrapbooking School Projects Classroom Office Home Party Decor (8 Vibrant Colors)**cometin**$10.47**15 rev4mo ago](https://www.amazon.com/dp/B0GR8Y7Y7V) [**Letter Stickers 688 PCS Foam Letter Stickers 3D Self-Adhesive Alphabet Stickers for DIY Crafts 1 Inch Cute Foam Letters for Scrapbooking School Projects Classroom Supplies Party Decoration 8 Colors**cometin**$7.93**28 rev4mo ago](https://www.amazon.com/dp/B0GR8VMPQP) [**Letter Stickers 1376 PCS Foam Letter Stickers 3D Self-Adhesive Alphabet Stickers for DIY Crafts 1 Inch Cute Foam Letters for Scrapbooking School Projects Classroom Supplies Party Decoration 8 Colors**cometin**$12.03**28 rev4mo ago](https://www.amazon.com/dp/B0GR8Y5MSS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Letter Stickers 1376 PCS Foam Letter Stickers 3D Self-Adhesive Alphabet Stickers for DIY Crafts 1 Inch Cute Foam Letters for Scrapbooking School Projects Classroom Supplies Party Decoration 8 Colors**cometin**$12.03**4.7★**▲ 203%**](https://www.amazon.com/dp/B0GR8Y5MSS) [**1312 Pcs Foam Letter Stickers Self-Adhesive EVA Alphabet Stickers Small 1 Inch 3D Foam Letters for DIY Crafts Scrapbooking School Projects Classroom Office Home Party Decor (8 Vibrant Colors)**cometin**$10.47**4.8★**▲ 199%**](https://www.amazon.com/dp/B0GR8Y7Y7V) [**Letter Stickers 688 PCS Foam Letter Stickers 3D Self-Adhesive Alphabet Stickers for DIY Crafts 1 Inch Cute Foam Letters for Scrapbooking School Projects Classroom Supplies Party Decoration 8 Colors**cometin**$7.93**4.7★**▲ 199%**](https://www.amazon.com/dp/B0GR8VMPQP) [**1312 Pcs Foam Letter Stickers Self-Adhesive EVA Alphabet Stickers Small 1 Inch 3D Foam Letters for DIY Crafts Scrapbooking School Projects Classroom Displays Office Home Party Decor (8 Colors)**cometin**$10.48**4.8★**▲ 199%**](https://www.amazon.com/dp/B0GR8YC3SN) [**Letter Stickers 1376 PCS Foam Letter Stickers 3D Self-Adhesive Alphabet Stickers for DIY Crafts 1 Inch Cute Foam Letters for Scrapbooking School Projects Classroom Supplies Party Decoration 8 Colors**cometin**$10.13**4.7★**▲ 198%**](https://www.amazon.com/dp/B0GR8X5M2T)
**~~View all trending →~~**
## **What buyers say about foam letters**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Adhesion/Stickiness**15%
*“Sticks great”*
**Fun/Entertainment Experience**14%
*“Makes bath time fun”*
**Color**12%
*“Vibrant colors”*
**Quality-Overall**9%
*“Good quality and easy for my toddler to use”*
**Ease Of Use**6%
*“easy to use”*
**Value For Money**6%
*“Worth it”*
**Size-Overall**6%
*“the size is perfect”*
**Durability**5%
*“Durable”*
**Reading/Writing Skills**3%
*“Great for the kids to learn words”*
**Advertised Vs Actual Product**2%
*“As described and delivered on time”*
### **What buyers complain about **
**Size-Overall**25%
*“Theres some slightly smaller letters”*
**Thickness**8%
*“not super thick”*
**Adhesion/Stickiness**7%
*“re-stick when he stuck one in the wrong spot”*
**Magnetic Strength/Adsorption**4%
*“The magnets aren't too strong so it is easy to move them around and take them off”*
**Color**4%
*“My only issue is the color - I ordered the Vibrant”*
**Educational-Overall**3%
*“Not helpful when teaching letters”*
**Reading/Writing Skills**3%
*“Kinda hard to teach my kid the alphabet when its missing a bunch of letters”*
**Quality-Overall**2%
*“Poor Quality”*
**Value For Money**2%
*“I feel they might be a bit pricey for what they are”*
**Brightness/Shine/Glow**1%
*“Surprisingly the glitter doesnt get everywhere”*
### **Top return reasons **
**Size-Overall**59%
**Advertised Vs Actual Product**6%
**Adhesion/Stickiness**6%
**Value For Money**5%
**Magnetic Strength/Adsorption**4%
**Quality-Overall**3%
**Material Quality**2%
**Defective Material/Parts**2%
**Smell**2%
**Thin**2%
## **Common questions**
- **Is foam letters profitable to sell on Amazon United States?**
- The niche generates $188K/yr across 41 tracked products. 1 of 18 products launched in the last 360 days are still selling. 90-day search growth is +18.8%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the foam letters niche?**
- 28 brands and 49 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 61% of demand.
- **What do buyers complain about in foam letters?**
- Top complaints mined from reviews: Size-Overall, Thickness, Adhesion/Stickiness. The return rate is 1.2%.
- **When does demand for foam letters peak?**
- Demand peaks in May; the busiest month runs 2.6× the quietest.
- **What does it cost to enter the foam letters niche?**
- Listings span $4.62–$89.99; the average listing price is $13.69 (sweet spot $15–$100). The average incumbent carries 871 reviews — the moat a new listing must climb.
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