rainbow bath bomb
Skip itSoft demand (-65.8% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great8.9%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Good$14.88avg listing price — sweet spot $15–$100
Price range
Good$7.31–$31.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,465.57avg incumbent reviews — the moat a new listing must climb
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Okay$108K$108K/yr · 81K searches
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-65.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, rainbow bath bomb is a $108K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Mar–Dec. Verdict: Skip it — 46/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
rainbow bath bomb market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $89K–$119K
- units × avg price
- Conversion rate
- 8.9%
- Avg BSR
- #76
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 2.6%
- Avg brand age
- 32 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 rising
Sellers
13
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
11%
- Beauwell40%
- Elfinbay16%
- Mineral Me California12%
- AWKUWA11%
- Tub Works7%
- NEWFEIFAN4%
- Open — no brand owns it (4 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -65.8% search growth over the last 90 days.Peak months: Mar, Dec · busiest ÷ quietest = 5.6×
Top rainbow bath bomb search terms
- rainbow bath bombs for kids28K/yr
- rainbow bath bombs41K/yr
- rainbow bath bomb13K/yr
Top rainbow bath bomb 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rainbow Bath Bombs for Kids Handmade 4 Pcs Kids Bath Bombs Gift Set for Girls Teens Toddler Rainbow Bubble Fizzy
Beauwell$9.564.5★2,352 rev
Rainbow Bath Bombs for Kids 4 XL Kid Bath Bombs with Surprise Colors Inside Organic Bathbombs for Women Stocking Stuffers for Kids Christmas Gifts for Girls Boys
Elfinbay$16.414.6★719 rev
Bath Bombs for Kids - All Natural Magic Rainbow BathBombs with Organic Ingredients Moisturizing Vibrant Colors & Rich Bubbles Cloud Bath Bombs Birthday Gifts for Kids Girls Boys
Mineral Me California$9.634.4★4,014 rev
Rainbow Bath Bombs for Kids - 4 Pcs Handmade Kid Bath Bombs Birthday Gifts for Kids Girls Bubble Bath
AWKUWA$8.564.4★642 rev
Tub Works Lil Bursts Mini Bath Bombs for Kids 90 Count Rainbow | Nontoxic | Tiny Kids Bath Bombs with A Burst of Color Foam & Bubbles | Customize Toddler Bath with 7 Colors | Make Bathtub Art
Tub Works$12.784.2★127 rev
Newest
by launch date
2026 New Upgraded Bath Bombs with Surprise Inside 12pcs Bath Bombs for Kids with Toy Inside Best Birthday Party Surprise Rainbow Ocean Fizzy Bath Bomb Gift Set for Girls and Boys(Sea Animal)
Generic$31.747 rev
Tub Works Lil Bursts Mini Bath Bombs for Kids 90 Count Rainbow | Nontoxic | Tiny Kids Bath Bombs with A Burst of Color Foam & Bubbles | Customize Toddler Bath with 7 Colors | Make Bathtub Art
Tub Works$12.78127 rev
Rainbow Bath Bombs for Kids Boys & Girls Gifts Colorful Dissolving Toys with Surprise Colors Safe & Non-Toxic DIY Bath Time STEM Learning Activity Bath Toys Ages 3-12
NEWFEIFAN$7.31283 rev
Mr. Bubble Galaxy Bath Bombs Signature Bubble Gum Scent Set of 8 Different Bath Bomb Planets
Mr. Bubble$11.98285 rev
Rainbow Bath Bombs for Kids - 6 Pcs Handmade Kids Bath Bombs Bubble Bath for Girls Birthday Gifts for Kids Girls
AWKUWA$12.16642 rev
Trending
90-day click momentum2026 New Upgraded Bath Bombs with Surprise Inside 12pcs Bath Bombs for Kids with Toy Inside Best Birthday Party Surprise Rainbow Ocean Fizzy Bath Bomb Gift Set for Girls and Boys(Sea Animal)
Generic$31.742.8★
20 Pack Bath Bombs for Kids with Surprise Inside Bubble Bath Toys Organic Natural Bath Bombs Set Easter Basket Stuffers Birthday Christmas Gift for Kids 3 4 5 6 7 8 Years Old Boys Toddlers Girls
GDXINYES$25.143.9★
Tub Works Lil Bursts Mini Bath Bombs for Kids 90 Count Rainbow | Nontoxic | Tiny Kids Bath Bombs with A Burst of Color Foam & Bubbles | Customize Toddler Bath with 7 Colors | Make Bathtub Art
Tub Works$12.784.2★
Mr. Bubble Galaxy Bath Bombs Signature Bubble Gum Scent Set of 8 Different Bath Bomb Planets
Mr. Bubble$11.984.4★
Rainbow Bath Bombs for Kids Handmade 8 Pcs Kids Bath Bombs Gift Set for Girls Teens Toddler Rainbow Bubble Fizzy
Beauwell$19.534.5★
What buyers say about rainbow bath bomb
What buyers praise and complain about, mined from review topics.What buyers love
“Vibrant color”
“They smell fresh”
“Great value”
“no staining on the tub”
“Perfect gift idea”
“Cute product”
“Exactly what I wanted”
“No allergies to them”
“Easily washes off bodies and tubs”
“Does the job”
What buyers complain about
“Not as described”
“Incorrect size”
“would have been better if they were darker”
“Not at all worth the price”
“The smell is too strong”
“Cheap quality”
“These barely work”
“she suddenly has rashes all over her body”
“This WILL stain your tub”
“Breaks easily”
Top return reasons
Common questions
- Is rainbow bath bomb profitable to sell on Amazon United States?
- The niche generates $108K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -65.8%. Flapen's verdict: Skip it (46/100).
- How competitive is the rainbow bath bomb niche?
- 10 brands and 13 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in rainbow bath bomb?
- Top complaints mined from reviews: Advertised Vs Actual Product, Size-Overall, Color. The return rate is 0.7%.
- When does demand for rainbow bath bomb peak?
- Demand peaks in Mar–Dec; the busiest month runs 5.6× the quietest.
- What does it cost to enter the rainbow bath bomb niche?
- Listings span $7.31–$31.74; the average listing price is $14.88 (sweet spot $15–$100). The average incumbent carries 1,466 reviews — the moat a new listing must climb.