![King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US](https://www.lego.com/cdn/cs/set/assets/blt143ae565f1c17f0e/71377-PDP-202010-Block-Standard-5.jpg?fit=crop&format=jpg&quality=80&width=635&height=440&dpr=1)
King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US
![King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US](https://www.lego.com/cdn/cs/set/assets/blt4242df1905c16686/71377-PDP-202010-Hero1-Standard-Large.jpg?fit=crop&format=jpg&quality=80&width=1600&height=500&dpr=1)
King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US
![LEGO Super Mario app updates with "Beware of Boo" Play Challenge | The GoNintendo Archives | GoNintendo LEGO Super Mario app updates with "Beware of Boo" Play Challenge | The GoNintendo Archives | GoNintendo](https://gonintendo.com/uploads/story/promo_image/370905/lego-mario-boo.jpg)
LEGO Super Mario app updates with "Beware of Boo" Play Challenge | The GoNintendo Archives | GoNintendo
![Amazon.com: Super Mario King Boo, Super Mushroom Surprise & Super Mario Character Pack Exclusive Building Kit Bundle : Toys & Games Amazon.com: Super Mario King Boo, Super Mushroom Surprise & Super Mario Character Pack Exclusive Building Kit Bundle : Toys & Games](https://m.media-amazon.com/images/I/91ZMgzP3jSL.jpg)
Amazon.com: Super Mario King Boo, Super Mushroom Surprise & Super Mario Character Pack Exclusive Building Kit Bundle : Toys & Games
![LEGO on Twitter: "Hide LEGO Mario from Boo with this awesome Play Challenge! To play, download the October app update, then keep LEGO Mario REALLY still when Boo turns to look at LEGO on Twitter: "Hide LEGO Mario from Boo with this awesome Play Challenge! To play, download the October app update, then keep LEGO Mario REALLY still when Boo turns to look at](https://pbs.twimg.com/media/EkXXca_XYAAXF0n.jpg)
LEGO on Twitter: "Hide LEGO Mario from Boo with this awesome Play Challenge! To play, download the October app update, then keep LEGO Mario REALLY still when Boo turns to look at
![LEGO on Twitter: "After you update LEGO Mario, you can put the app aside. Simply scan any ghost enemy and then jump into the Start Pipe to get started. Have fun! Available LEGO on Twitter: "After you update LEGO Mario, you can put the app aside. Simply scan any ghost enemy and then jump into the Start Pipe to get started. Have fun! Available](https://pbs.twimg.com/media/EkXl0RWXYAIrs7G.jpg:large)
LEGO on Twitter: "After you update LEGO Mario, you can put the app aside. Simply scan any ghost enemy and then jump into the Start Pipe to get started. Have fun! Available
![King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US](https://www.lego.com/cdn/cs/set/assets/bltcb3a952555df5d96/71377.jpg?fit=bounds&format=jpg&quality=80&width=1500&height=1500&dpr=1)
King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop US
![King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop SG King Boo and the Haunted Yard Expansion Set 71377 | LEGO® Super Mario™ | Buy online at the Official LEGO® Shop SG](https://www.lego.com/cdn/cs/set/assets/blt370770c9b140d150/71377_alt2.jpg)