Use the magical sofa to rise to the roof. Hop on the Coin Block and stomp on the Boo to reveal the key in the bookcase. Nab the key, shake King Boo off the table and collect the treasure! Encounter ghostly characters and search for the key to a treasure chest at King Boo's Haunted Mansion (71436) with this LEGO Super Mario adventure toy playset for kids.
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