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LEGO 71377 Super Mario King Boo and The Haunted Yard Expansion Set
Key item features
- Expansion set for LEGO Super Mario: Designed to be added to the Starter Course (71360) for expanded game play.
- 431 pieces: Includes King Boo, 2 Goombas and 4 Swoops — giving you multiple characters and interactive play‑elements built in.
- Interactive game mechanics: Flip the tree, stomp through the spider web, spin the Swoops and topple King Boo to claim the Super Star Block!
- Modular build design: Build the Haunted Yard then connect it to other LEGO Super Mario sets to create a unique world of your own.
- Perfect gift for ages 8 plus: A fun building toy for kids, boys, girls, fans of Super Mario, LEGO collectors and anyone who loves interactive play.
- No batteries required: Fully mechanical and digitally interactive via LEGO Mario’s sensors — no special tools or extra components needed.
- Collectible & fun: Retired set with strong appeal for both play and display, adding value for LEGO Super Mario fans.
Specs
- ThemeSuper Mario
- Piece count431
- Minimum recommended age8 years
- FeaturesCollectible
- CharacterMario, King Boo
- Color typeMulticolor
Price when purchased online
More seller options (2)
Starting from $74.69
About this item
Product details
LEGO Super Mario fans will love the frightful challenges in this King Boo and the Haunted Yard Expansion Set (71377). A fun gift for kids to add to the LEGO Super Mario Starter Course (71360), this collectible toy features King Boo, 2 Goombas and 4 Swoop figures for action-packed gameplay. To get to the hidden Super Star, players must stomp on Goombas and a spider web, flip a tree and then stomp the spinning Swoops to topple King Boo. Make building this set even more fun with intuitive Instructions PLUS on the free LEGO Super Mario app. It features digital viewing tools and creative suggestions for alternative ways to build and play and is a safe platform for fans to share ideas. Perfect for fun competitions with friends or solo gameplay, LEGO Super Mario toy playsets bring a family-favorite character into the real world. The Starter Course, Expansion Sets and Power-Up Packs nurture kids' problem-solving creativity.
- Expansion set for LEGO Super Mario: Designed to be added to the Starter Course (71360) for expanded game play.
- 431 pieces: Includes King Boo, 2 Goombas and 4 Swoops — giving you multiple characters and interactive play‑elements built in.
- Interactive game mechanics: Flip the tree, stomp through the spider web, spin the Swoops and topple King Boo to claim the Super Star Block!
- Modular build design: Build the Haunted Yard then connect it to other LEGO Super Mario sets to create a unique world of your own.
- Perfect gift for ages 8 plus: A fun building toy for kids, boys, girls, fans of Super Mario, LEGO collectors and anyone who loves interactive play.
- No batteries required: Fully mechanical and digitally interactive via LEGO Mario’s sensors — no special tools or extra components needed.
- Collectible & fun: Retired set with strong appeal for both play and display, adding value for LEGO Super Mario fans.
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Specifications
Brand
LEGO
Theme
Super Mario
Product line
Super Mario
Piece count
431
Warranty
Warranty information
N/A
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
CHOKING HAZARD - Children Under 3
CHOKING HAZARD - Children Under 3This toy is not suitable for ages under 3 years. It contains one or more of the following items: marbles, small ball, or small parts.
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Customer ratings & reviews
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Showing 1-3 of 8 reviews
Mar 3, 2026
Jane
5 out of 5 stars review
Verified Purchase
A win for Mario and Luigi
No paper instructions, have to get them online to assemble. My grandsons love their "eMario and eLuigi" so getting these expansion sets are alot of fun for them. They are expensive though and only get them for special occasions, birthdays etc.
Incentivized Review
Helpful?48PNLEDNFSIH365996483
Jul 19, 2025
Gerard
5 out of 5 stars review
Verified Purchase
perfect gift for my grand child kept him busy for awhile
Incentivized Review
Helpful?48PNLEDNFSIH365996483
Mar 21, 2026
Dafna
5 out of 5 stars review
Verified Purchase
My kid loves Lego Mario
Incentivized Review
Helpful?48PNLEDNFSIH365996483
