---
title: "Bath Bomb Kit — $141K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/bath-bomb-kit"
last_updated: "2026-08-09T08:58:56.807Z"
locale: en
meta:
description: "Niche score 56/100 · $141K/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 56/100 · $141K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bath Bomb Kit — $141K/yr Amazon US Niche (2026) - Flapen"
---
# **bath bomb kit**
**Worth a look**
Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 31Growth 12Conversion 41Competition 63Returns 95Price range 85Avg price 87Brand share 67Review moat 54Quality gap 86
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.62**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$13.02–$28.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****65%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Good****1,333.65**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$141K**
$141K/yr · 219K searches
**Growth**
**Bad****-26.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, bath bomb kit is a $141K/yr Amazon United States market (219K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 56/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bath bomb kit market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$196K–$245K**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#564**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **5.9%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**65%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 94%
**Open market**
**29%**
- Dan&Darci21% - STMT14% - JUYRLE13% - Klutz11% - DecorRom7% - Tub Works6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -26.8% search growth over the last 90 days.
13K8KSpike '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 4.8×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/bath-bomb-kit/trend)
## **Top bath bomb kit search terms**
- **bath bomb kit**61K/yr-17.7%3.2% conv. - **bath bomb making kit**44K/yr-23.4%2.9% conv. - **bath bomb making kit for kids**17K/yr-23.2%5.5% conv. - **bath bomb kit for kids**17K/yr-54.9%4.1% conv. - **diy bath bomb kit**12K/yr-28.5%3.5% conv. - **make your own bath bombs for kids**11K/yr-46.3%4.9% conv. - **bath bomb kits for kids age 8-12**5K/yr-4.3%4.9% conv. - **diy bath bomb kit for kids**7K/yr-7.8%6.0% conv. - **bath bomb kits**7K/yr-31.9%2.2% conv. - **bath bomb maker**7K/yr-25.7%1.9% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/bath-bomb-kit/search-terms)
## **Top bath bomb kit 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%4%$6K8%$11K12%$17K16%$23K1101001K10K 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**STMT D.I.Y. Bath Bomb Kit STMT Kits for Girls Bath Bomb Mold Spa Kit for Kids Bath Crumbles Ages - 6+ 1 Count (Pack of 1) Green**STMT**$16.48**4.3★1,813 rev](https://www.amazon.com/dp/B076ZY7WDR) [2**Dan&Darci Soap & Bath Bomb Making Kit for Kids 3-in-1 Spa Science Kits Craft Gifts for Girls & Boys Age 6-12 Year Old Girl Crafts: DIY Experiment Toys Gift for Kid Ages**Dan&Darci**$28.51**4.4★4,841 rev](https://www.amazon.com/dp/B07W3NVPD3) [3**Dan&Darci Bath Bomb Making Kit for Kids - Kid Crafts Science Project - Gifts for Girls and Boys - Craft Activity Gift for Age 6 7 8 9 10 11 & 12 Year Old Girl - Makes 10 Baths Bombs Fizzies**Dan&Darci**$15.14**4.0★1,759 rev](https://www.amazon.com/dp/B08FL91XHM) [4**Make Your Own Bath Bombs**Klutz**$18.03**4.3★4,079 rev](https://www.amazon.com/dp/1338158805) [5**JUYRLE Bath Bomb Making Kit- 49Pcs DIY Bath Bomb Kit for Aldult Make Your Own Shower Bombs Spa Craft Kits with Bath Bomb Press Molds Bath & Bathing Making Supplies Gifts for Mom Women**JUYRLE**$22.96**4.0★57 rev](https://www.amazon.com/dp/B0F3D6K25S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Bath Bombs Science Lab - Create 10 Baths Bombs Bath Toys for Kids - Great Gifts for Girls Age 8-12 Crafts Kit for Girls Spa Kit for Girl**Piano Potato**$20.87**2 rev2mo ago](https://www.amazon.com/dp/B0GXYW4D1W) [**ZQBQC Bath Bomb Making Kit- DIY Bath Bomb Kit for Kids Adults Make Your Own Spa Set Shower Craft Kits with Bath Bomb Molds Soap Making Kits Bath Bomb Making Supplies Gifts for Girls Women**ZQBQC**$20.27**2 rev3mo ago](https://www.amazon.com/dp/B0GT4TY6LC) [**DINGTU Bath Bomb Making Kit DIY Bath Bomb Kit for Adults & Teens Make Your Own Bath Fizzy with Bath Bomb Molds Essential Oils Relaxing Bath Time Home Creative Spa Gift for Her Women**DINGTU**$19.93**5 rev4mo ago](https://www.amazon.com/dp/B0GS97NSMV) [**THALUNA Bath Bomb Making Kit DIY Bath Bomb Kit for Adults & Teens Make Your Own Bath Fizzy with Bath Bomb Molds Essential Oils Relaxing Bath Time Home Creative Spa Gift for Her Women**Thaluna**$21.84**12 rev7mo ago](https://www.amazon.com/dp/B0G6DKL99J) [**TSVATE Bath Bomb Making Kit-DIY Bath Bomb Kit for Women Make Your Own Shower Bombs with Bath Bomb Press Spa Craft Kits Christmas Bath & Bathing Making Supplies Gifts for Women Girls Kids**TSVATE**$19.58**10 rev9mo ago](https://www.amazon.com/dp/B0FW4FP6MP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**DINGTU Bath Bomb Making Kit DIY Bath Bomb Kit for Adults & Teens Make Your Own Bath Fizzy with Bath Bomb Molds Essential Oils Relaxing Bath Time Home Creative Spa Gift for Her Women**DINGTU**$19.93**3.9★**▲ 568%**](https://www.amazon.com/dp/B0GS97NSMV) [**ZQBQC Bath Bomb Making Kit- DIY Bath Bomb Kit for Kids Adults Make Your Own Spa Set Shower Craft Kits with Bath Bomb Molds Soap Making Kits Bath Bomb Making Supplies Gifts for Girls Women**ZQBQC**$20.27**4.0★**▲ 552%**](https://www.amazon.com/dp/B0GT4TY6LC) [**Bath Bombs Science Lab - Create 10 Baths Bombs Bath Toys for Kids - Great Gifts for Girls Age 8-12 Crafts Kit for Girls Spa Kit for Girl**Piano Potato**$20.87**4.0★**▲ 549%**](https://www.amazon.com/dp/B0GXYW4D1W) [**THALUNA Bath Bomb Making Kit DIY Bath Bomb Kit for Adults & Teens Make Your Own Bath Fizzy with Bath Bomb Molds Essential Oils Relaxing Bath Time Home Creative Spa Gift for Her Women**Thaluna**$21.84**3.4★**▲ 253%**](https://www.amazon.com/dp/B0G6DKL99J) [**Bath Bomb Mold Kit 12 Pieces with 12 Soap Colorant Shrink Wrap Bags - Liquid Food Grade Skin Safe Bath Bomb Dye for Making DIY Bath Bombs Supplies Soap Coloring Crafting Fizzles - with Instructions**DecorRom**$15.66**4.4★**▲ 219%**](https://www.amazon.com/dp/B07GNDL4TM)
**~~View all trending →~~**
## **What buyers say about bath bomb kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**22%
*“Very bright colors”*
**Gifting Purpose**10%
*“Fun gift”*
**Quality-Overall**8%
*“Decent kit”*
**Ease Of Use**6%
*“Easy to use”*
**Smell**6%
*“I picked the lavender scent to start with as it's one of my favorites to relax with”*
**Durability**6%
*“This kit lasted them a whileeeee”*
**Value For Money**5%
*“Worth the money”*
**Ease Of Cleaning**4%
*“clean up is easy”*
**Fun/Entertainment Experience**4%
*“Fun project for granddaughter”*
**Instructions/User Manual/Troubleshooting**4%
*“The instructions were clear and concise,”*
### **What buyers complain about **
**Color**10%
*“The colors are dull”*
**Stain Resistance**10%
*“It does stain easily”*
**Durability**8%
*“Broke after a few uses”*
**Quality-Overall**7%
*“Terrible product”*
**Instructions/User Manual/Troubleshooting**6%
*“No instruction book”*
**Smell**6%
*“they are scented”*
**Value For Money**5%
*“Wasted money”*
**Functionality-Overall**5%
*“Doesn't work”*
**Allergies**3%
*“Skin itchy”*
**Advertised Vs Actual Product**3%
*“Didnt do what it said”*
### **Top return reasons **
**Leak-Proof**19%
**Defective Material/Parts**15%
**Advertised Vs Actual Product**10%
**Functionality-Overall**7%
**Stain Resistance**6%
**Color**6%
**Value For Money**3%
**Product Condition**3%
**Size-Overall**3%
**Durability**3%
## **Common questions**
- **Is bath bomb kit profitable to sell on Amazon United States?**
- The niche generates $141K/yr across 26 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -26.8%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the bath bomb kit niche?**
- 18 brands and 51 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 65% of demand.
- **What do buyers complain about in bath bomb kit?**
- Top complaints mined from reviews: Color, Stain Resistance, Durability. The return rate is 1.0%.
- **When does demand for bath bomb kit peak?**
- Demand peaks in Nov–Dec; the busiest month runs 4.8× the quietest.
- **What does it cost to enter the bath bomb kit niche?**
- Listings span $13.02–$28.51; the average listing price is $19.62 (sweet spot $15–$100). The average incumbent carries 1,334 reviews — the moat a new listing must climb.
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