What is covered in Switch Palaces for Super Mario World?

There are four Switch Palaces scattered across Dinosaur Land: Yellow, Green, Red, and Blue. Each palace, once activated, will permanently change all corresponding colored '!' blocks throughout the entire game into solid blocks.

How do you complete Switch Palaces in Super Mario World?

There are four Switch Palaces scattered across Dinosaur Land: Yellow, Green, Red, and Blue. Each palace, once activated, will permanently change all corresponding colored '!' blocks throughout the entire game into solid blocks.

Switch Palaces — Super Mario World Guide

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