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LEGO LEGO Ideas and CUUSOO Sets

88+ sets · 2011–2026

About LEGO LEGO Ideas and CUUSOO

LEGO LEGO Ideas and CUUSOO is a theme fan-designed sets voted into production by the community. The line has produced 88 sets between 2011 and 2026, with the River Steamboat (#21356) as one of its largest at 4,090 pieces.

Notable LEGO Ideas and CUUSOO Sets

LEGO River Steamboat

River Steamboat

#21356 · 2025 · 4,090 pcs

LEGO Home Alone

Home Alone

#21330 · 2021 · 3,955 pcs

LEGO The Botanical Garden

The Botanical Garden

#21353 · 2024 · 3,792 pcs

LEGO Dungeons & Dragons: Red Dragon's Tale

Dungeons & Dragons: Red Dragon's Tale

#21348 · 2024 · 3,747 pcs

LEGO Grand Piano

Grand Piano

#21323 · 2020 · 3,662 pcs

LEGO Italian Riviera

Italian Riviera

#21359 · 2025 · 3,252 pcs

LEGO Tree House

Tree House

#21318 · 2019 · 3,037 pcs

LEGO The Goonies

The Goonies

#21363 · 2025 · 2,914 pcs

Newest LEGO Ideas and CUUSOO Releases

The most recent LEGO Ideas and CUUSOO sets from the LEGO catalogue.

LEGO Orange Cat

Orange Cat

#21376 · 2026 · 1,755 pcs

LEGO Floating Sea Otters

Floating Sea Otters

#21366 · 2026 · 1,234 pcs

LEGO Love Birds

Love Birds

#21365 · 2026 · 750 pcs

LEGO River Steamboat

River Steamboat

#21356 · 2025 · 4,090 pcs

LEGO Italian Riviera

Italian Riviera

#21359 · 2025 · 3,252 pcs

LEGO The Goonies

The Goonies

#21363 · 2025 · 2,914 pcs

LEGO Willy Wonka & the Chocolate Factory

Willy Wonka & the Chocolate Factory

#21360 · 2025 · 2,025 pcs

LEGO Twilight The Cullen House

Twilight The Cullen House

#21354 · 2025 · 2,001 pcs

Rare & Retired LEGO Ideas and CUUSOO Sets

Older flagship-tier LEGO Ideas and CUUSOO sets that are likely no longer in production. Often valuable to collectors.

LEGO Home Alone

Home Alone

#21330 · 2021 · 3,955 pcs

LEGO Grand Piano

Grand Piano

#21323 · 2020 · 3,662 pcs

LEGO Tree House

Tree House

#21318 · 2019 · 3,037 pcs

LEGO Pirates of Barracuda Bay

Pirates of Barracuda Bay

#21322 · 2020 · 2,545 pcs

LEGO Voltron

Voltron

#21311 · 2018 · 2,321 pcs

LEGO Medieval Blacksmith

Medieval Blacksmith

#21325 · 2021 · 2,164 pcs

LEGO Typewriter

Typewriter

#21327 · 2021 · 2,080 pcs

LEGO Old Fishing Store

Old Fishing Store

#21310 · 2017 · 2,057 pcs

Best LEGO Ideas and CUUSOO Sets for Beginners

Smaller LEGO Ideas and CUUSOO sets that are good entry points without overwhelming a first-time builder in this theme.

LEGO Flying Moon Car

Flying Moon Car

#40789 · 2025 · 211 pcs

LEGO Micro Command Center

Micro Command Center

#40786 · 2025 · 214 pcs

LEGO The Goonies: The Walshes' Attic

The Goonies: The Walshes' Attic

#40773 · 2025 · 179 pcs

LEGO Friendly Snails

Friendly Snails

#40788 · 2025 · 264 pcs

LEGO Books Are My Passion

Books Are My Passion

#40698 · 2024 · 285 pcs

LEGO Tribute to Galileo Galilei

Tribute to Galileo Galilei

#40595 · 2023 · 307 pcs

Browse LEGO Ideas and CUUSOO by Size

Every LEGO Ideas and CUUSOO set grouped by piece count — pick the size that matches the build time you have.

Starter (≤50 pieces)

1 shown

Small, quick builds — usually under 20 minutes.

LEGO Supplemental Pack for Set 21303

Supplemental Pack for Set 21303

#6162839 · 2015 · 10 pcs

LEGO Ideas and CUUSOO Through the Decades

A sample of notable LEGO Ideas and CUUSOO sets from each decade the theme has been in production.

LEGO LEGO Ideas and CUUSOO FAQ

See Also

🏆 Collect guides

Everything a serious LEGO collector needs — identifying vintage sets, understanding the UCS line, and recognizing which sets hold value.

🔍 Identify guides

Work out which set you have, even without a box

🎨 Browse all themes

Over 100 LEGO themes with editorial pages

📷 Identify a LEGO Ideas and CUUSOO set

Upload a photo to match it to the full catalogue

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