Super Mario World/Forest of Illusion 2

When you are at this level and you have beaten it you can go back and get to the blue switch. what you need to do is go about half way to the part where there are two of the spikey fish things that just move up and down on there own little are when you get to that part there will be lots of sleepin fish. you have to menouver around them and move almost all the way down until you see a yellow box with an exclmation point. that box may be guarded by a sleeping fish. you have to just keep going straight to the left of the screen and you will see at this place there will be a key and key hole this will open the blue switch!