Is foam slime profitable to sell on Amazon United States?

The niche generates $166K/yr across 17 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -13.4%. Flapen's verdict: Skip it (49/100).

How competitive is the foam slime niche?

9 brands and 30 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in foam slime?

Top complaints mined from reviews: Smell, Adhesion/Stickiness, Stain Resistance. The return rate is 0.4%.

When does demand for foam slime peak?

Demand peaks in Nov–Dec; the busiest month runs 3.2× the quietest.

What does it cost to enter the foam slime niche?

Listings span $5.19–$27.97; the average listing price is $14.47 (sweet spot $15–$100). The average incumbent carries 791 reviews — the moat a new listing must climb.

foam slime

Skip it

Soft demand (-13.4% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Good$14.47

avg listing price — sweet spot $15–$100

Review moat

Good791

avg incumbent reviews — the moat a new listing must climb

Price range

Good$5.19–$27.97

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

Conversion

Okay3.6%

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

Competition

Okay63%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$166K

$166K/yr · 322K searches

Brand share

Okay89%

top-5 brand share — brands hold most of the demand

Growth

Bad-13.4%

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

According to Flapen's Amazon United States niche tracking, foam slime is a $166K/yr Amazon United States market (322K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 49/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

foam slime market data

Units sold / yr: 13K–15K; avg 750–1,000/product
Revenue / yr: $181K–$217K; units × avg price
Conversion rate: 3.6%
Avg BSR: #2,798
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 6.4%
Avg brand age: 41 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

LYRK Collections47%
Play-Doh18%
Learning Resources13%
Educational Insights7%
Creativity for Kids4%
MiKoom4%
Open — no brand owns it (3 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.4% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 3.2×

Open Trend

Top foam slime search terms

floam84K/yr -7.7%2.6% conv.
play foam51K/yr -26.6%2.2% conv.
foam slime32K/yr -2.9%1.2% conv.
playfoam42K/yr -25.0%1.7% conv.
sensory foam21K/yr -2.3%2.1% conv.
silly foam10K/yr +7.4%4.0% conv.
play foam for kids18K/yr -17.2%1.5% conv.
floam slime8K/yr -18.8%1.2% conv.
fun foam7K/yr -5.9%1.3% conv.
foam for kids7K/yr -9.2%2.9% conv.

All search terms

Top foam slime 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Silly Foam Creative Modeling Foam Beads 1-Pack of 6 Neon Pastel Colors Perfect for Preschool and Kids Arts & Crafts Sensory Play STEM Travel Toy Easter Basket Stuffers Non-Toxic (Age 3+)

LYRK Collections$11.803.7★110 rev

Silly Foam Creative Modeling Foam Beads 1-Pack of 6 Primary Colors Easy Clean Up Perfect for Preschool and Kids Arts & Crafts Sensory Play STEM Travel Toy Holiday Gifts Non-Toxic (Age 3+)

LYRK Collections$14.054.2★392 rev

Play-Doh Scented Foam Slime for Kids Teal Cookie Scent Popular Toys Gifts and Party Favors

Play-Doh$5.193.9★792 rev

Educational Insights Playfoam Party Pack

Learning Resources$17.304.6★1,756 rev

Play-Doh Scented Slime Variety Pack 6-Pack Variety Super Stretch Foam Butter & Cloud Slime (Strawberry Grape Cotton Candy Blue Raspberry Watermelon Citrus Scented) Gifts and Party Favors

Play-Doh$9.674.0★877 rev

Newest

by launch date

Foam Beads Play Kit - 15 Pack Modeling Foam Beads Slime for Kids

YOPINSAND$9.8728 rev

5mo ago

Creativity for Kids Sensory Surprise Ocean Kit | Crunchy Sensory Foam Toy for Kids | Dig Squish & Discover Hidden Ocean Surprises | Mess-Free Screen-Free Play (Ages 4+)

Creativity for Kids$9.6319 rev

5mo ago

Play-Doh Scented Foam Slime for Kids Teal Cookie Scent Popular Toys Gifts and Party Favors

Play-Doh$5.19792 rev

10mo ago

Play-Doh Scented Foam Slime for Kids Pink Cotton Candy Scent Popular Toys Gifts and Party Favors

Play-Doh$5.58792 rev

10mo ago

Play-Doh Scented Slime Variety Pack 6-Pack Variety Super Stretch Foam Butter & Cloud Slime (Strawberry Grape Cotton Candy Blue Raspberry Watermelon Citrus Scented) Gifts and Party Favors

Play-Doh$9.67877 rev

1y ago

What buyers say about foam slime

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

What buyers love

Smell20%

“Smells amazing”

Color12%

“The colors are very bright”

Quality-Overall9%

“Great assortment”

Fun/Entertainment Experience8%

“Tons of fun”

Ease Of Cleaning8%

“easy to clean”

Value For Money5%

“the value is excellent”

Ease Of Use5%

“This product is easy to use”

Gifting Purpose3%

“Christmas present”

Allergies3%

“doesnt cause any irritation”

Advertised Vs Actual Product2%

“Just as described”

What buyers complain about

Smell10%

“the scent is overpowering”

Adhesion/Stickiness8%

“Messy not sticky”

Stain Resistance7%

“Stains”

Value For Money6%

“Overpriced”

Color6%

“Dull colors”

Mess Free5%

“Messy”

Moist/Dry4%

“it was kind of dry”

Quality-Overall4%

“This doesnt seem like typical play doh quality”

Allergies4%

“Caused rashes”

Functionality-Overall3%

“Doesnt hit”

Top return reasons

Adhesion/Stickiness18%

Moist/Dry11%

Advertised Vs Actual Product10%

Smell9%

Value For Money7%

Texture/Consistency-Overall6%

Size-Overall5%