Spider-Man
Toward the beginning of 2002's Spider-Man, there is a scene in which Peter Parker discovers his powers and accidentally shatters a lamp while trying them out. When his aunt enters the room to see what all the commotion was about, the lamp is miraculously repaired and back in its rightful spot.
The Shining
One of the most quintessential scenes in Stanley Kubrick's The Shining takes place in the Overlook Hotel's winding hedge maze. However, the exterior shots of the film don't include the maze. Later, the maze magically appears right beside the hotel. Convenient, no?