Above the Batmobile, you find the Batcomputer. To the right of the Batcomputer platform, there is a level pad that teleports you back to the Watchtower.
Lego Batman 3: Beyond Gotham eGuide Hub Areas (Handheld)
Above the Batmobile, you find the Batcomputer. To the right of the Batcomputer platform, there is a level pad that teleports you back to the Watchtower.