P-Switch

P-Switches are items in Super Mario Bros. 3, Super Mario World, New Super Mario Bros., and New Super Mario Bros. Wii.They are not to be confused with !-switches.they do many different things, such as:


 * transforming blocks into blue coins


 * turning coins into blocks


 * turning enimeis into silver coins


 * allowing mario to acess seceret dorrs

in super mario world, gray switches turn munchers into silver coins.Collecting eight of these give mario a 1-UP.