Is once upon a time birthday decorations profitable to sell on Amazon United States?

The niche generates $28K/yr across 40 tracked products. 3 of 15 products launched in the last 360 days are still selling. 90-day search growth is +1.4%. Flapen's verdict: Skip it (45/100).

How competitive is the once upon a time birthday decorations niche?

36 brands and 48 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 40% of demand.

What do buyers complain about in once upon a time birthday decorations?

Top complaints mined from reviews: Strength, Size-Overall, Color. The return rate is 4.9%.

What does it cost to enter the once upon a time birthday decorations niche?

Listings span $5.91–$34.95; the average listing price is $17.10 (sweet spot $15–$100). The average incumbent carries 283 reviews — the moat a new listing must climb.

once upon a time birthday decorations

Skip it

A small market ($28K/yr) — this niche doesn't clear our bar today.

Brand share

Great40%

top-5 brand share — no brand owns this niche

Review moat

Great282.9

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.10

avg listing price — sweet spot $15–$100

Competition

Great40%

top-5 click share — an open shelf

Price range

Good$5.91–$34.95

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+1.4%

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

Returns

Okay4.9%

return rate — above 5% kills the launch gate

Conversion

Bad0.8%

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

Market size

Bad$28K

$28K/yr · 197K searches

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, once upon a time birthday decorations is a $28K/yr Amazon United States market (197K searches/yr). The top 5 brands hold 40% of demand. Verdict: Skip it — 45/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

once upon a time birthday decorations market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $34K–$43K; units × avg price
Conversion rate: 0.8%
Avg BSR: #2,315
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 2.2%
Avg brand age: 29 months
Avg seller age: 182 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

36 falling

Sellers

Top-5 brand share

40%

Top 20: 81%

Top-5 click share

40%

Top 20: 77%

Open market

56%

Fexivo17%
Costova10%
R HORSE5%
Aumeko4%
Tileranois4%
Monnberry4%

Demand

Weekly Amazon search volume, last 19 weeks — +1.4% search growth over the last 90 days.

Open Trend

Top once upon a time birthday decorations search terms

once upon a time birthday decorations105K/yr +4.7%0.6% conv.
one-ce upon a time first birthday decorations17K/yr -10.7%0.9% conv.
once upon a time decorations13K/yr +10.9%0.4% conv.
once upon a time baby shower decorations12K/yr +21.3%0.1% conv.
princess 1st birthday party decorations11K/yr -6.2%0.5% conv.
princess first birthday decorations9K/yr -9.4%0.7% conv.
once upon a time decor8K/yr -13.2%0.4% conv.
once upon a time birthday8K/yr -22.1%0.2% conv.
once upon a time baby shower7K/yr +8.6%0.0% conv.
1st birthday princess decorations7K/yr +1.5%0.4% conv.

All search terms

Top once upon a time birthday decorations 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

Fexivo 258 PCS Princess First Birthday Decorations Once Upon A Time Birthday Party Pack Serves 25 with Balloon Banner Backdrop Plates and Napkins for Girls First Birthday

Fexivo$31.034.6★164 rev

Costova Princess 1st Birthday Party Decorations 122 PCs - One-ce Upon a Time First Party Supplies with Pink Fairytale Backdrop Balloon Garland Castle Tablecloth Cake Topper

Costova$34.954.7★58 rev

R HORSE 3D My First Year Photo Display Wood Board - 2x3in Pic Princess Baby First Year Picture Frame 12 Months Fairytale Castle Milestone Board Baby Keepsake Gift 1st Birthday Nursery Decor for Girl

R HORSE$15.134.5★595 rev

Aumeko 7x5ft Once Upon a Time Backdrop Pink Floral Gold Castle Princess Fairytale Birthday Party Decoration Girls First Birthday Party Photobooth Backdrop Supplies Cake Table Decorations

Aumeko$16.264.7★715 rev

Zopeal 3 Tier Princess Birthday Cupcake Stand Party Decorations Floral Princess Cupcake Holder Pink Castle Crown Carriage Dessert Tower for Girls Birthday Theme Baby Shower Party Supplies

Zopeal$9.814.7★1,264 rev

Newest

by launch date

Xynic Once Upon a Time Birthday Decorations for Girls 206PCS Pink Gold Princess 1st Birthday Party Supplies Set All-in-One First Birthday Decor Includes Banner Plates Balloons Tablecloth Serves 25

Xynic$18.3317 rev

1mo ago

Princess Party Decorations Once Upon a Time Fairy Tale Birthday Party Decor Vintage Oval Mirror 15.4 x 9.4 Inch Golden Mirror for Tea Birthday Decoration Baby Shower Women Wedding Dinner Supplies

Threehoney$20.1432 rev

6mo ago

Preboun Once Upon a Time Banner Vintage Princess Magical Sign Fairy Tale Party Decor Ancient Castle Romantic Backdrop Banner Retro Hanging Wall Sign for Wedding Birthday Bridal Shower Party(Vintage)

Preboun$15.039 rev

6mo ago

Fexivo 258 PCS Princess First Birthday Decorations Once Upon A Time Birthday Party Pack Serves 25 with Balloon Banner Backdrop Plates and Napkins for Girls First Birthday

Fexivo$31.03164 rev

7mo ago

Princess First Birthday Decorations 1st Birthday Party Decorations Supplies for Girl Princess Balloon Garland Castle Balloon Backdrop Cake Topper

Monnberry$33.0315 rev

7mo ago

What buyers say about once upon a time birthday decorations

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

What buyers love

Quality-Overall20%

“Awesome quality”

Value For Money12%

“Great Deal”

Design-Overall9%

“It was a beautiful set up”

Color8%

“Vibrant colors”

Assembly/Installation6%

“It was very easy to set up”

Advertised Vs Actual Product6%

“As shown”

Size-Overall6%

“Great size”

Durability4%

“Cute and durable”

Ease Of Use4%

“The parts are all easy to use”

Gifting Purpose4%

“This set is packed with adorable birthday decorations”

What buyers complain about

Strength13%

“kinda flimsy and would be easy to break”

Size-Overall12%

“Not a good size”

Color8%

“Not White”

Advertised Vs Actual Product6%

“The pictures don't truly do it justice”

Quality-Overall5%

“Cheaply made”

Thickness4%

“They were pretty thin”

Value For Money4%

“Way cheaper then this candle”

Leak-Proof3%

“some still had a slow leak from some tiny holes somewhere I couldnt find”

Product Condition3%

“came worn and I wanted new”

Defective Material/Parts3%

“Came broken”

Top return reasons

Size-Overall42%

Color9%

Value For Money8%

Advertised Vs Actual Product8%

Quality-Overall5%

Feet Fit4%

Material Quality3%