![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/blt370770c9b140d150/71377_alt2.jpg)
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/blt5916f17754045a53/71377-PDP-202010-Block-Standard-4.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/blt6166ea972396f4e2/71377_alt9.jpg)
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/blt0ceeecab7d5e1d60/71377_alt8.jpg)
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/blt4c22410544fe4172/71377_alt4.jpg)
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/blt9e705241b20f38cc/71377-PDP-202010-Block-Standard-3.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
![LEGO Instructions: How to Build LEGO King Boo and the Haunted Yard Expansion Set - 71377 SUPER MARIO - YouTube LEGO Instructions: How to Build LEGO King Boo and the Haunted Yard Expansion Set - 71377 SUPER MARIO - YouTube](https://i.ytimg.com/vi/CF1ksCF8x18/maxresdefault.jpg)
LEGO Instructions: How to Build LEGO King Boo and the Haunted Yard Expansion Set - 71377 SUPER MARIO - YouTube
![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/blte9b4baa125e1e745/71377-PDP-202010-Hero3-Standard-Large.jpg?fit=crop&format=jpg&quality=80&width=1600&height=500&dpr=1)