The Wizard's Tower measures about 3.5 x 5 inches (10 x 16 studs) when closed and about 2 x 10 inches (6 x 32 studs) when fully open.

The inside has a window seat, which can double as a bed; a workroom, where the wizard mixes his potions and conducts his experiments; and a big shelf filled with herbs and potions.

The shelf swings away to reveal a hidden chamber where the wizard can keep his secret manuscipts well hidden.