LEGO 71436 King Boo's Haunted Mansion is a Super Mario Expansion Set released in 2024 with 932 pieces. The build centers on an unfolding haunted mansion with a treasure chest, floating chair, and interactive Coin, Chest, and Key Blocks. Play features include an elevating sofa and a bookcase with a key-reveal function. The set includes brick-built characters King Boo, Yellow Baby Yoshi, Dry Bones, and Boo. It was retired in November of 2025.
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