The "Visit Home" icon appears in the top left corner of the "Character Book" once the feature has been unlocked. Characters sent to visit home can be returned back to the park at any time by clicking the character's "Return" icon.
Experience and Magic be earned every hour per character, however you can only collect the accumulated rewards every 12 hours. The rewards will appear above the red carpet bridge in front of Cinderella's Castle.
Collection of rewards only after 12 hours.