Is bath bomb molds profitable to sell on Amazon United States?

The niche generates $139K/yr across 39 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -27.2%. Flapen's verdict: Worth a look (57/100).

How competitive is the bath bomb molds niche?

30 brands and 37 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 54% of demand.

What do buyers complain about in bath bomb molds?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Color. The return rate is 1.2%.

When does demand for bath bomb molds peak?

Demand peaks in Jan–Nov–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the bath bomb molds niche?

Listings span $6.88–$115.13; the average listing price is $17.82 (sweet spot $15–$100). The average incumbent carries 1,578 reviews — the moat a new listing must climb.

bath bomb molds

Worth a look

Shows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Great1.2%

return rate — above 5% kills the launch gate

Avg price

Great$17.82

avg listing price — sweet spot $15–$100

Brand share

Great54%

top-5 brand share — no brand owns this niche

Competition

Great35%

top-5 click share — an open shelf

Price range

Great$6.88–$115.13

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,578.36

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.9%

search→purchase rate — share of searches ending in a sale

Market size

Okay$139K

$139K/yr · 202K searches

Growth

Bad-27.2%

90-day search growth — must beat 0% to launch

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, bath bomb molds is a $139K/yr Amazon United States market (202K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Worth a look — 57/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

bath bomb molds market data

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $143K–$178K; units × avg price
Conversion rate: 3.9%
Avg BSR: #287
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 3.4%
Avg brand age: 47 months
Avg seller age: 167 days

Competition & brand share

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

Brands

30 falling

Sellers

Top-5 brand share

54%

Top 20: 92%

Top-5 click share

35%

Top 20: 82%

Open market

40%

Petutu15%
WARMBUY13%
Patelai11%
DecorRom9%
Smarimple6%
ddseexhe6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -27.2% search growth over the last 90 days.

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top bath bomb molds search terms

bath bomb molds123K/yr -24.7%4.2% conv.
bath bomb mold33K/yr -26.8%3.9% conv.
bath bomb molds silicone13K/yr -30.2%3.5% conv.
bath bombs molds7K/yr -36.4%3.2% conv.
bath bomb supplies6K/yr -33.4%0.9% conv.
bath bomb molds stainless steel5K/yr -18.8%3.6% conv.
bath bomb making supplies6K/yr -38.9%1.2% conv.
silicone bath bomb molds4K/yr -31.8%2.7% conv.
bathbomb molds3K/yr -12.2%5.4% conv.
bathbomb mold press4K/yr -67.5%2.4% conv.

All search terms

Top bath bomb molds 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.

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

Warmbuy 12 Pcs DIY Metal Bath Bomb Molds Set of 6

WARMBUY$9.944.5★2,193 rev

Bath Bomb Mold Set 228 Pieces - 200 Packs Shrink Wrap Bags 12 Pieces of DIY Metal Mould Spoons Gift Bags Mini Heat Sealer (Instruction Included)

Smarimple$16.504.4★1,890 rev

ddseexhe 12 Pieces Bath Bomb Molds 2.1 Inches Bath Bomb Press Mold Making Kit for DIY Making Supplies Crafting Your Own Handmade SPA 6 Set

ddseexhe$8.194.5★56 rev

Patelai 12 Pcs Bath Bomb Molds 6 Shapes Metal DIY Bath Bomb Making Crafts Crafting Press Mould for Handmade Soaps Candle Cake Ice Cream Baking Handicrafts Making Supplies

Patelai$15.674.2★204 rev

Sakolla 3 Pack Flower Soap Molds 12 Cavities Different Shapes Silicone Molds for Soap Lotion Bar Bath Bombs Chocolate Candy

Sakolla$8.514.6★590 rev

Newest

by launch date

12 Pcs Metal Bath Bomb Molds - 5.3cm/2.1 Inch Bath Bomb Mold Making Kit - DIY Spherical Press Soap Kit for Crafting Handmade SPA Bombs Soap Making

HaiFafafaing$7.931 rev

3mo ago

Mini Bath Bomb Press Machine with 1.5 inches Bath Bomb Mold Gifts for Kids DIY Shower Steamer Soap Shampoo Bar Gifts for Women Mom Friends

TTDOM$25.747 rev

5mo ago

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$21.8411 rev

7mo ago

Hitefu 12 Pcs 2.1 Inch (5.5cm) Metal Bath Bomb Molds 5.5cm DIY Press Kit for Crafting Handmade SPA Bombs & Soap Making Supplies

Hitefu$6.886 rev

10mo ago

Black Bath Bomb Mold Reusable Plastic Bath Salt Ball Press DIY Mold for Homemade Bath Bombs Easy to Demold Commercial & Home Use

Medonala$16.666 rev

1y ago

What buyers say about bath bomb molds

What buyers praise and complain about, mined from review topics.

What buyers love

Color31%

“Amazing colors”

Quality-Overall14%

“its a great variety”

Ease Of Use8%

“Easy to use”

Value For Money5%

“Great deal”

Fun/Entertainment Experience4%

“Its also a fun activity to do with kids or as a creative project”

Ease Of Cleaning3%

“easy to clean”

Advertised Vs Actual Product3%

“AS ADvertised”

Efficiency3%

“Their soap line has done exceptionally well”

Size-Overall2%

“Fit my needs perfectly”

Smell2%

“Wow, it smells really good”

What buyers complain about

Quality-Overall12%

“Please work on better quality control”

Size-Overall10%

“I thought it would have been a bigger container”

Color8%

“No red colors that actually look red”

Instructions/User Manual/Troubleshooting8%

“The instructions are not good”

Durability4%

“The heating element broke within 3 days”

Functionality-Overall4%

“Didn't work”

Ease Of Use3%

“Overall, difficult to use”

Smell3%

“The colors do not have a scent”

Thickness2%

“Made very thin”

Strength2%

“flimsy great for candles”

Top return reasons

Size-Overall35%

Color11%

Advertised Vs Actual Product10%

Functionality-Overall8%

Value For Money6%

Defective Material/Parts3%

Leak-Proof2%

Quality-Overall2%

Material Quality2%

Shape/Style2%

Common questions

Is bath bomb molds profitable to sell on Amazon United States?: The niche generates $139K/yr across 39 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -27.2%. Flapen's verdict: Worth a look (57/100).
How competitive is the bath bomb molds niche?: 30 brands and 37 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 54% of demand.
What do buyers complain about in bath bomb molds?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Color. The return rate is 1.2%.
When does demand for bath bomb molds peak?: Demand peaks in Jan–Nov–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the bath bomb molds niche?: Listings span $6.88–$115.13; the average listing price is $17.82 (sweet spot $15–$100). The average incumbent carries 1,578 reviews — the moat a new listing must climb.