Is stacking cups profitable to sell on Amazon United States?

The niche generates $670K/yr across 16 tracked products. 90-day search growth is +0.0%. Flapen's verdict: Worth a look (50/100).

How competitive is the stacking cups niche?

13 brands and 21 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in stacking cups?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 1.1%.

When does demand for stacking cups peak?

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

What does it cost to enter the stacking cups niche?

Listings span $7.23–$27.54; the average listing price is $13.35 (sweet spot $15–$100). The average incumbent carries 8,385 reviews — the moat a new listing must climb.

stacking cups

Worth a look

Shows low returns (1.1%), but strong incumbent ratings (4.8★) keeps it on the watch list.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Conversion

Great7.9%

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

Market size

Good$670K

$670K/yr · 637K searches

Price range

Good$7.23–$27.54

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

Avg price

Good$13.35

avg listing price — sweet spot $15–$100

Brand share

Good74%

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

Competition

Okay65%

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

Growth

Okay+0.0%

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

Review moat

Bad8,384.63

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, stacking cups is a $670K/yr Amazon United States market (637K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 50/100.

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

stacking cups market data

Units sold / yr: 40K–50K; avg 2,500–3,000/product
Revenue / yr: $534K–$668K; units × avg price
Conversion rate: 7.9%
Avg BSR: #142
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 165 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

21%

The First Years36%
Cosaway12%
mushie12%
Moonkie7%
Tiny Tinker7%
KIDSTHRILL5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.0% search growth over the last 90 days.

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

Open Trend

Top stacking cups search terms

stacking cups327K/yr -0.1%5.8% conv.
baby stacking cups68K/yr +7.8%7.4% conv.
stacking cups for toddlers 1-353K/yr +3.9%7.3% conv.
stacking cups for babies 6-12 months59K/yr -18.9%7.9% conv.
stacking cups baby27K/yr +24.7%6.9% conv.
nesting cups23K/yr +1.0%5.1% conv.
toddler stacking cups13K/yr -13.4%5.7% conv.
nesting cups for toddlers 1-311K/yr +8.8%6.1% conv.
stackable cups for baby7K/yr -7.4%8.2% conv.
stacking cups baby toy6K/yr +5.5%4.4% conv.

All search terms

Top stacking cups 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 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

The First Years Stack & Count Stacking Cups - Colorful Baby Stacking Water Toys Set - Stackable Cups for Learning - Baby Bath Toys - Toddler Water Table Toys - 8 Count

The First Years$7.234.8★92,651 rev

mushie Stacking Cups Toy | Made in Denmark (Original)

mushie$14.944.9★13,669 rev

Moonkie Stacking Cups Toy Fun Educational Baby Toys Silicone Soft Teething Toy Age 6+ Months 7 Piece Set

Moonkie$13.374.8★3,458 rev

Stacking Cups Baby Toy Educational Cup Stacking Set 8-Pc Rainbow Stackable Cups | Nesting Cups for Babies 6-12 Months | Stacking Cups for Toddlers 1-3 Perfect for Indoor/Outdoor Rainbow (8Pcs)

Tiny Tinker$13.584.8★274 rev

KIDSTHRILL Rainbow Colors Baby Stacking Cups for Toddlers Tall Baby Stacking Toys Nesting Cups Drain Holes for Bath Toys Educational & Motor Skills Sorting & Nesting for 1 2 3 Years Old

KIDSTHRILL$12.894.8★2,239 rev

Newest

by launch date

Ms. Rachel Official Rainbow Stacking Cups 7-Pack Educational Toys & Toddler Toys for Girls & Boys Ages 6 Months to 2+ Years

Ms. Rachel$8.65364 rev

1y ago

Stacking Cups Baby Toy Educational Cup Stacking Set 8-Pc Rainbow Stackable Cups | Nesting Cups for Babies 6-12 Months | Stacking Cups for Toddlers 1-3 Perfect for Indoor/Outdoor Rainbow (8Pcs)

Tiny Tinker$13.58274 rev

2y ago

Cosaway Baby Stacking Nesting Cups Toys Baby Toys 6 to 12 Months Montessori Toys for Toddler Gifts 1 Year Old (617-97)

Cosaway$7.47248 rev

2y ago

Cosaway Baby Stacking Nesting Cups Toys Baby Toys 6 to 12 Months Montessori Toys for Toddler Gifts 1 Year Old

Cosaway$8.06366 rev

3y ago

Cosaway Baby Stacking Nesting Cups Toys for Baby 6 to 12 Months Montessori Toys for Toddler Gifts 1 2 3 Year Old

Cosaway$7.54233 rev

3y ago

What buyers say about stacking cups

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

What buyers love

Fun/Entertainment Experience38%

“Lots of fun”

Color10%

“The colors are beautiful”

Quality-Overall9%

“High quality and long lasting toy”

Durability5%

“Soft and durable”

Ease Of Use5%

“Easy to use”

Value For Money4%

“worth the investment”

Size-Overall3%

“The size is perfect for throwing in the diaper bag for travel”

Educational-Overall3%

“Fun & educational, definitely recommend”

Soft Feel2%

“Nice and soft for baby teeth poking through tender gums”

Advertised Vs Actual Product2%

“It performs exactly as intended”

What buyers complain about

Size-Overall17%

“Not a good fit”

Quality-Overall12%

“Cheap product”

Color7%

“It was dark orange”

Durability7%

“They break easy”

Strap/String Quality6%

“The string toy has been recalled because of choking hazard”

Strength5%

“Breaks easily”

Ease Of Use4%

“These things are very hard to stack”

Choking3%

“This bundle original came with a different item than the ball that has now been recalled due to choking hazard”

Product Condition3%

“I didnt purchase a used item”

Ease Of Cleaning3%

“Very hard to keep clean because everything sticks to it”

Top return reasons

Size-Overall32%

Material Quality14%

Color9%

Advertised Vs Actual Product7%

Value For Money7%

Defective Material/Parts4%

Quality-Overall4%