Is foam clay profitable to sell on Amazon United States?

The niche generates $422K/yr across 8 tracked products. 90-day search growth is +8.7%. Flapen's verdict: Skip it (44/100).

How competitive is the foam clay niche?

5 brands and 8 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in foam clay?

Top complaints mined from reviews: Moist/Dry, Adhesion/Stickiness, Ease Of Use. The return rate is 1.2%.

When does demand for foam clay peak?

Demand peaks in Oct–Nov; the busiest month runs 2.1× the quietest.

What does it cost to enter the foam clay niche?

Listings span $6.97–$31.89; the average listing price is $15.35 (sweet spot $15–$100). The average incumbent carries 3,417 reviews — the moat a new listing must climb.

foam clay

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Great1.2%

return rate — above 5% kills the launch gate

Avg price

Great$15.35

avg listing price — sweet spot $15–$100

Conversion

Good6.3%

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

Price range

Good$6.97–$31.89

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

Market size

Good$422K

$422K/yr · 433K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+8.7%

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

Review moat

Okay3,417.38

avg incumbent reviews — the moat a new listing must climb

Competition

Bad89%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, foam clay is a $422K/yr Amazon United States market (433K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 44/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

foam clay market data

Units sold / yr: 30K–40K; avg 2,500–3,000/product
Revenue / yr: $461K–$614K; units × avg price
Conversion rate: 6.3%
Avg BSR: #33
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 1.3%
Avg brand age: 52 months
Avg seller age: 166 days

Competition & brand share

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

CALPALMY47%
BOHS34%
ifergoo12%
RAINFLOW4%
OJYUDD3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.7% search growth over the last 90 days.

Peak months: Oct, Nov · busiest ÷ quietest = 2.1×

Open Trend

Top foam clay search terms

foam clay232K/yr +9.4%5.2% conv.
air dry foam clay42K/yr +5.2%4.0% conv.
foam clay air dry38K/yr -5.2%4.2% conv.
bohs foam clay14K/yr -6.4%5.1% conv.
fomi moldeable12K/yr +13.6%0.4% conv.
air dry foam8K/yr +63.9%1.4% conv.
foamy moldeable10K/yr +6.2%0.5% conv.
foam air dry clay9K/yr +25.4%5.0% conv.
clay foam10K/yr +18.4%4.3% conv.
white foam clay6K/yr +52.8%7.0% conv.

All search terms

Top foam clay 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 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Moldable Cosplay Foam Clay (White) High Density and Hiqh Quality for Intricate Designs | Air Dries to Perfection for Cutting with a Knife or Rotary Tool Sanding or Shaping

CALPALMY$13.074.5★6,121 rev

BOHS Foam Clay Pro - 3 lbs Bucket Air Dry No Cracks No Stains - Modeling Clay for Adult Arts & Crafts Projects Cosplay Items Figurines - Age 3 Years & up

BOHS$29.404.7★1,089 rev

ifergoo Air Dry Clay 36 Colors Magic Foam DIY Molding Clay for Slime add ins & Slime Supplies Easy to use Great Gift for Kids (Packaging May Vary)

ifergoo$10.264.5★4,429 rev

BOHS White Modeling Foam Clay Lite - 500 Grams Squishy Soft Air Dry -for Flower Mirror Cosplay Fake Bake Slime Supplies- 1.1 Lbs

BOHS$10.674.7★3,313 rev

RAINFLOW White Foam Clay - Moldable Cosplay Foam Clay Soft Squishy Molding Perfect for Arts and Crafts Projects Creative Art Supplies with Sculpting Tools

RAINFLOW$6.974.0★168 rev

Newest

by launch date

24 Pack White Air Dry Foam Clay 8.5oz DIY White Model Clay Soft Bulk Modeling Foam Clay for Gift Rewards Arts & Crafts

OJYUDD$6.995,756 rev

1y ago

RAINFLOW White Foam Clay - Moldable Cosplay Foam Clay Soft Squishy Molding Perfect for Arts and Crafts Projects Creative Art Supplies with Sculpting Tools

RAINFLOW$6.97168 rev

1y ago

BOHS 12-Colors Foam Modeling Clay- for Cosplay School Projects Baby Hand Print Slime - Squishy Air Dry Soft - Gifts for Adult and Kids - 12 pcs 2.65 lbs Ages 3 & Up

BOHS$31.89342 rev

3y ago

BOHS Foam Clay Pro - 3 lbs Bucket Air Dry No Cracks No Stains - Modeling Clay for Adult Arts & Crafts Projects Cosplay Items Figurines - Age 3 Years & up

BOHS$29.401,089 rev

4y ago

Moldable Cosplay Foam Clay (White) High Density and Hiqh Quality for Intricate Designs | Air Dries to Perfection for Cutting with a Knife or Rotary Tool Sanding or Shaping

CALPALMY$13.076,121 rev

6y ago

What buyers say about foam clay

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

What buyers love

Fun/Entertainment Experience12%

“entertained”

Ease Of Use11%

“Easy to use”

Color10%

“Colors were bright”

Quality-Overall10%

“Decent item”

Material Quality7%

“The texture is also really soft”

Value For Money6%

“Great value”

Soft Feel4%

“Its very smooth”

Quick Drying3%

“To dry faster”

Design-Overall3%

“Perfect for any kind of crafting needs”

Weight Light3%

“Super lightweight and easy to use”

What buyers complain about

Moist/Dry15%

“Dry so fast”

Adhesion/Stickiness8%

“doesn't easily stick to itself”

Ease Of Use6%

“I cant even use it”

Hard Feel6%

“The clay is not soft”

Color6%

“so there isnt enough of one color to make anything a decent size”

Thickness6%

“To thin”

Advertised Vs Actual Product3%

“False advertising”

Value For Money3%

“Waste of money”

Defective Material/Parts3%

“The entire object caved it”

Strength3%

“it wasn't as sturdy as this”

Top return reasons

Material Quality17%

Moist/Dry12%

Size-Overall11%

Value For Money11%

Advertised Vs Actual Product10%

Functionality-Overall7%

Adhesion/Stickiness6%

Hard Feel4%

Color3%

Leak-Proof3%

Common questions

Is foam clay profitable to sell on Amazon United States?: The niche generates $422K/yr across 8 tracked products. 90-day search growth is +8.7%. Flapen's verdict: Skip it (44/100).
How competitive is the foam clay niche?: 5 brands and 8 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in foam clay?: Top complaints mined from reviews: Moist/Dry, Adhesion/Stickiness, Ease Of Use. The return rate is 1.2%.
When does demand for foam clay peak?: Demand peaks in Oct–Nov; the busiest month runs 2.1× the quietest.
What does it cost to enter the foam clay niche?: Listings span $6.97–$31.89; the average listing price is $15.35 (sweet spot $15–$100). The average incumbent carries 3,417 reviews — the moat a new listing must climb.