Lego Birthday Decorations Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Lego Birthday Decorations sales on Amazon US totaled 69,400 units in July 2026 (▼ 15.0% vs. the prior month), generating an estimated $1,390,465 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 72.0% of unit volume and 71.7% of revenue, while a typical listing is priced at $17.46. The keyword itself pulled 19,497 Amazon queries over the same period (▲ 11.4% MoM).
Zooming out to the 12-month window ending July 2026, the lego birthday decorations Top 50 moved 1,529,400 units and $38,672,098 in cumulative sales — an average of 127,450 units and $3,222,675 per month. Monthly throughput topped out at 467,450 units in December 2025 and dipped to 56,950 in May 2026, leaving the latest reading 8.3% lower than August 2025.
Lego Birthday Decorations Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
69.4K
▼ 15.0% MoM
Monthly Revenue 2026/07
$1.4M
▼ 23.0% MoM
Top 10 Market Share 2026/07
72.0%
Lego Birthday Decorations Market Share & Sales Concentration on Amazon US — July 2026
The most-sold lego birthday decorations listing on Amazon US in July 2026 is ASIN B0DJ19VGDD (Brand: LEGO), which sold 9,000 units at $23.99 apiece — equal to 13.0% of every unit tracked in this report.
The Top 10 ASINs account for 50,000 units and $997,220 in July 2026 — 72.0% of unit volume and 71.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Lego Birthday Decorations' on Amazon
July 2026









Is 72.0% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown

B0DJ19VGDD
LEGO Botanicals Mini Orchid Building Set - Artificial, Fake Orchid for Home Decor, Adults Ages 18+ - Gift for Birthdays - Indoor Plant Decorations for Table, Desk, Office - 10343
9K
▲ 0.0%vs. prior month
$215.6K
latest month
12-month trend

B0DRW6C2RF
LEGO Botanicals Happy Plants Building Toy for Kids, Girls, and Boys 9+ - Playroom Decor for Desk or Shelf - Birthday Gift Idea for Young Gardeners - Artificial Indoor Plant for Play & Display - 10349
9K
▼ 10.0%vs. prior month
$165.5K
latest month
12-month trend

B0FMS7CRHX
LEGO Botanicals Daisies Building Toy - Artificial Flowers Crafting Kit for Girls & Boys, Ages 9+ - Kids Room Decor for Book Shelf or Desk - Gift Idea for Birthdays - 11508
8K
▼ 20.0%vs. prior month
$79.9K
latest month
12-month trend

B0DLNJBN2N
2 Pack Rainbow Backdrop Curtains, 3.28 FT x 7.05 FT Colofull Party Decorations, Metallic Tinsel Backdrop Fringe Curtains Party Streamer, Rainbow Party Supplies for Wedding Birthday Party Engagement
4K
▼ 42.9%vs. prior month
$28K
latest month
12-month trend

B0BRBMNN93
LEGO Heart Ornament Building Toy Set - Fun Arts and Crafts Idea for Girls and Boys, Ages 9+ - Display on The Wall as Home Decoration - Gifts for Kids - 40638
4K
▲ 33.3%vs. prior month
$52K
latest month
12-month trend

B0FJ49G284
LEGO Birthday Party Cake - Building Toy for Boys & Girls, Ages 7+ - Birthday Decoration with 10 Candle Accessories - Craft for Kids - 40815
4K
▲ 33.3%vs. prior month
$60K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Lego Birthday Decorations Brands on Amazon US — Top 2 Brand Sales Concentration (July 2026)
LEGO is the best-performing lego birthday decorations brand in July 2026, moving 46,000 units across 9 ASINs for 92.0% of Top 10 volume. ZATAYE follows with 4,000 units (8.0%).
With 2 brands splitting the Top 10 and 100.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $6.99 to $18.39, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
LEGO
9 ASINs in Top 10
92.0%
Units
46K
Revenue
$969.3K
Avg. price
$18.39

B0DJ19VGDD
$23.99·★4.9·5.5K revsLEGO Botanicals Mini Orchid Building Set - Artificial, Fake Orchid for Home Decor, Adults Ages 18+ - Gift for Birthdays - Indoor Plant Decorations for Table, Desk, Office - 10343
Units sold9K
B0DRW6C2RF
$18.39·★4.9·4.5K revsLEGO Botanicals Happy Plants Building Toy for Kids, Girls, and Boys 9+ - Playroom Decor for Desk or Shelf - Birthday Gift Idea for Young Gardeners - Artificial Indoor Plant for Play & Display - 10349
Units sold9K
B0FMS7CRHX
$9.89·★4.9·1.4K revsLEGO Botanicals Daisies Building Toy - Artificial Flowers Crafting Kit for Girls & Boys, Ages 9+ - Kids Room Decor for Book Shelf or Desk - Gift Idea for Birthdays - 11508
Units sold8K
B0BRBMNN93
$12.99·★4.8·7K revsLEGO Heart Ornament Building Toy Set - Fun Arts and Crafts Idea for Girls and Boys, Ages 9+ - Display on The Wall as Home Decoration - Gifts for Kids - 40638
Units sold4K
B0FJ49G284
$14.99·★4.9·85 revsLEGO Birthday Party Cake - Building Toy for Boys & Girls, Ages 7+ - Birthday Decoration with 10 Candle Accessories - Craft for Kids - 40815
Units sold4K
B08HVXZW8X
$21.25·★4.9·25K revsLEGO Botanicals Bonsai Tree Building Set - Artificial Bonsai Tree Plants for Home Decor, Adults Ages 18+ - Faux, Fake Plants for Table, Desk, Office - Birthday Gift for Men & Women - 10281
Units sold3K
B09Q4L157D
$0.00·★4.9·22.3K revsLEGO Botanicals Orchid - Artificial, Fake Indoor Flowers Building Set for Home, Kitchen, Desk Decoration, Adults Ages 18+ - Gift for Birthdays - 10311
Units sold3K
B0CDCL6Y5T
$39.99·★4.9·6.3K revsLEGO Botanicals Tiny Plants - Artificial, Fake Indoor Plant Building Set for Home, Kitchen, Desk Decoration, Adults Ages 18+ - Gift for Birthdays - 10329
Units sold3K
B0CV2KSL3V
$23.99·★4.9·4.4K revsLEGO Botanicals Chrysanthemum Building Set for Adults Ages 18+ - Artificial Flower for Dinner Table Centerpieces & Decoration - Gift for Birthdays - 10368
Units sold3K
ZATAYE
1 ASIN in Top 10
8.0%
Units
4K
Revenue
$28K
Avg. price
$6.99

B0DLNJBN2N
$6.99·★4.5·6K revs2 Pack Rainbow Backdrop Curtains, 3.28 FT x 7.05 FT Colofull Party Decorations, Metallic Tinsel Backdrop Fringe Curtains Party Streamer, Rainbow Party Supplies for Wedding Birthday Party Engagement
Units sold4K
Trending Lego Birthday Decorations Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0CV2KSL3V booked 3K units at $23.99, with ▲ 0.0% MoM change. On the growth side, B0FCMLW6XR leads positive momentum with ▲ 233.3% MoM growth on 1K units, with B0F5WS5MPP close behind at ▲ 100.0% MoM on 200 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B0CV2KSL3V
LEGO Botanicals Chrysanthemum Building Set for Adults Ages 18+ - Artificial Flower for Dinner Table Centerpieces & Decoration - Gift for Birthdays - 10368
Price
$23.99
Rating
4.9
Reviews
4.4K
Latest month sales

B0FCMLW6XR
MAYPLUSS Wrapping Paper Roll, 17 Inch X 16.5 Feet Building Blocks Gift Wrap | Colorful Building Bricks for Boys Girls Kids Birthday Party
Price
$9.90
Rating
4.6
Reviews
1.3K
Latest month sales

B0F5WS5MPP
Building Block Birthday Party Decorations Brick Themed Happy Birthday Banner Colorful Block Hanging Swirls Honeycomb Balls Circle Dots Garland for Colorful Brick Pre-strung Birthdays Party Decor
Unlock to view ASIN details and product titles
Price
$13.99
Rating
4.8
Reviews
40
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this lego birthday decorations report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card