Is foam blocks profitable to sell on Amazon United States?

The niche generates $952K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.2%. Flapen's verdict: Skip it (40/100).

How competitive is the foam blocks niche?

7 brands and 14 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 93% of demand.

What do buyers complain about in foam blocks?

Top complaints mined from reviews: Size-Overall, Value For Money, Durability. The return rate is 2.2%.

When does demand for foam blocks peak?

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

What does it cost to enter the foam blocks niche?

Listings span $7.08–$205.59; the average listing price is $41.67 (sweet spot $15–$100). The average incumbent carries 2,732 reviews — the moat a new listing must climb.

foam blocks

Skip it

A concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$41.67

avg listing price — sweet spot $15–$100

Market size

Great$952K

$952K/yr · 1.1M searches

Returns

Good2.2%

return rate — above 6% kills the launch gate

Price range

Okay$7.08–$205.59

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

Review moat

Okay2,731.63

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.1%

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

Growth

Bad-2.2%

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

Brand share

Bad93%

top-5 brand share — brand-locked demand

Competition

Bad89%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, foam blocks is a $952K/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 40/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

foam blocks market data

Units sold / yr: 25K–30K; avg 1,000–1,250/product
Revenue / yr: $1.0M–$1.3M; units × avg price
Launch success: —; 1 of 1 new (360d)
Conversion rate: 2.1%
Avg BSR: #35
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 44 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

7 falling

Sellers

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

POUYRBA67%
Pairez Toys11%
INCLAKE6%
MBHKRRS4%
Bingyouth4%
ProsourceFit4%
Open — no brand owns it (1 brand, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.

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

Open Trend

Top foam blocks search terms

foam blocks346K/yr -4.2%0.9% conv.
foam block118K/yr +9.0%1.0% conv.
foam blocks for toddlers 1-3125K/yr +2.6%0.6% conv.
soft blocks70K/yr -6.7%0.6% conv.
large foam blocks48K/yr +7.4%0.2% conv.
foam building blocks55K/yr -5.7%0.7% conv.
foam blocks for kids58K/yr -16.4%0.7% conv.
soft blocks for toddlers 1-343K/yr -13.5%0.7% conv.
soft building blocks31K/yr -13.9%0.2% conv.
high density foam blocks17K/yr +16.5%0.1% conv.

All search terms

Top foam blocks 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

Yoga Blocks 2 Pcs 9x6x3 Yoga Brick Foam Blocks EVA Foam Block Props Accessories for Pilates Stretching and Meditation (Grey Large)

POUYRBA$11.394.8★400 rev

Pairez Toys Foam Building Blocks for Toddlers 2-4 41 Pieces EVA Soft Stacking Blocks Baby Bath Foam Toy Set Early Learning Construction Toys & Gifts for Kids Boys & Girls 18+ Months

Pairez Toys$14.084.5★1,043 rev

Premium Quality Foam Pit Cubes - 144 pcs 5.9x5.9x5.9 Colorful Flame Retardant for Trampoline Arenas Gymnastics Parkour Skateboard Parks Playground (5 Colors)

INCLAKE$205.594.2★66 rev

MBHKRRS 9x6x3 Yoga Blocks Soft Non-Slip Surface Premium Foam Blocks Supportive Lightweight Odor Resistant Yoga Accessories for Pilates Meditation General Fitness Stretching Toning (black-1 Pack)

MBHKRRS$7.974.6★214 rev

Bingyouth Large Building Foam Blocks for Toddlers EVA Stacking Foam Building Blocks Toy Set Non-Toxic Washable Early Learning Construction Toys & Gifts for Kids Boys & Girls (Blue Pieces 30)

Bingyouth$37.614.7★141 rev

Newest

by launch date

MBHKRRS 9x6x3 Yoga Blocks Soft Non-Slip Surface Premium Foam Blocks Supportive Lightweight Odor Resistant Yoga Accessories for Pilates Meditation General Fitness Stretching Toning (black-1 Pack)

MBHKRRS$7.97214 rev

12mo ago

Yoga Blocks 2 Pcs 9x6x3 Yoga Brick Foam Blocks EVA Foam Block Props Accessories for Pilates Stretching and Meditation (Grey Large)

POUYRBA$11.39400 rev

1y ago

Bingyouth Large Building Foam Blocks for Toddlers EVA Stacking Foam Building Blocks Toy Set Non-Toxic Washable Early Learning Construction Toys & Gifts for Kids Boys & Girls (Blue Pieces 30)

Bingyouth$37.61141 rev

2y ago

Premium Quality Foam Pit Cubes - 144 pcs 5.9x5.9x5.9 Colorful Flame Retardant for Trampoline Arenas Gymnastics Parkour Skateboard Parks Playground (5 Colors)

INCLAKE$205.5966 rev

3y ago

FLOFARE Pack of 3 Floral Foam Blocks Each (6L x 3W x 1.75H) Green Wet & Dry Flower Foam for Fresh & Artificial Flower Arrangement Plant Foam Florist Supplies for DIYs Arts Crafts & Weddings

FLOFARE$7.082,661 rev

3y ago

What buyers say about foam blocks

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

What buyers love

Advertised Vs Actual Product14%

“As advertised”

Quality-Overall13%

“Overall, great quality and perfect for floral arrangements”

Balance/Stability11%

“Good for balance”

Value For Money8%

“not super expensive”

Size-Overall6%

“Great size”

Ease Of Use5%

“Easy to use”

Durability5%

“Very durable”

Fun/Entertainment Experience5%

“Fun for bathtime”

Soft Feel3%

“They are soft”

Foam3%

“Great foam”

What buyers complain about

Size-Overall27%

“BEWARE of the size”

Value For Money11%

“I've struggled to find low priced”

Durability8%

“They break very easily”

Advertised Vs Actual Product7%

“Picture is very deceiving”

Strength3%

“I thought they would be a bit firmer”

Comfort-Overall3%

“Not great to stand on though the softness is helpful on the hands”

Water Resistance3%

“Easily breaks off when wet”

Hard Feel3%

“it's harder than I thought to stand still on this”

Quality-Overall2%

“Poor quality”

Exercise/Sports Suitability2%

“cannot get down on my knees for exercising like doing my yoga poses”

Top return reasons

Size-Overall70%

Value For Money7%

Advertised Vs Actual Product5%

Balance/Stability3%

Material Quality2%

Defective Material/Parts2%

Functionality-Overall2%

Quality-Overall1%

Thickness1%

Soft Feel1%

Common questions

Is foam blocks profitable to sell on Amazon United States?: The niche generates $952K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.2%. Flapen's verdict: Skip it (40/100).
How competitive is the foam blocks niche?: 7 brands and 14 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 93% of demand.
What do buyers complain about in foam blocks?: Top complaints mined from reviews: Size-Overall, Value For Money, Durability. The return rate is 2.2%.
When does demand for foam blocks peak?: Demand peaks in Nov–Dec; the busiest month runs 2.1× the quietest.
What does it cost to enter the foam blocks niche?: Listings span $7.08–$205.59; the average listing price is $41.67 (sweet spot $15–$100). The average incumbent carries 2,732 reviews — the moat a new listing must climb.