<human>:  What are the prices for a 4-day pass at the Disney World theme park?
<bot>: The prices for a 4-day pass at the Disney World theme park vary depending on the type of ticket you purchase. Prices generally start at $365 for an adult, $363 for a child (ages 3-9), and $339 for a senior (ages 65+). Additionally, you may purchase the Park Hopper option, which allows admission to all 4 theme parks within 4 days, for $135 more.