How do you get to the green switch palace on super Mario world?

Answer 1

Get a Yoshi. Go to Donut Plains level 2, at one point there is a pipe you can go down. In that area, there is a blue shell. Carefully get Mario (he must be big) to smash the blocks above it without landing on the shell. Mount Yoshi again and have him eat the blue shell. He is now able to fly. Have him fly up the yellow boxes. At the top is a place that leads to the green switch palace. by the way i just fixed this answer because before it sucked so whoever wrote it is an idiot

Answer 2

simply stand on the carpet that keeps saying hey Mario then aim at the light and look up! then that will take you all the way to the top of the castle and you will be able to fly around. you don't turn in to anyone else when you press the switch p.s. you can only do it with Mario yoshie will not grow wing not luiugi or wario bye

Answer 3

In forest of illusion 2, at the bottom of the sea, there is a box with a power-up in it. the wall next to it is not a wall. swim towards it, and you will see a key. pick it up & put it in the keyhole.