The Magic Wand Tool is one of the oldest session tool in Photoshop 7 (as per my knowledge), most of the people will not use this tool because some its goes beyond our control. but we can use this tool some situation instead of going to other session tool. This tool saves our time so case.
Where is the Magic Want Tool?
Please have look on the below image, you can able to get know where we can see the Magic Wand Tool in photoshop.
How we can use the Magic Want Tool ?
Magic Want Tool works based on tone and color. Pleas watch the below video you can get to know how we can use this tool.