Instructions
Complete the first five Story Levels of the "Kingdom of the Crystal Skull" area.
Enter the first level of "Part 2" of the "Kingdom of the Crystal Skull area."
Walk through the village, towards the Southwest section of the level.
Locate the medical facility, a gray building with red roof tiles. Walk through the door beneath the red and yellow canopy.
Walk to the steaming machinery. Press the "A" button to repair the machinery and activate the gate.
Locate the gate. Slide a Lego block towards the gate, until the gate lifts slightly.
Send your sidekick through the gate. Use the "Whip" weapon to add the key opposite the gate into your inventory.
Walk through the gate.