problem with findobjectoftype

when I use FindObjectOfType, it only finds one object ,how can I find more objects with this code?

for example I have two objects ,they have a script name Stone.

    public class Stone : MonoBehaviour {
      public Animator anim;
    void Start(){
     anim = GetComponent<Animator> ();
 }
   public void Destroying(){
    anim.play("DestoryStone");
   }

so if I use

   FindObjectOfType<Stone>().Destroying(); 

the animation will play in the first object .So how can I call Destroying() function in more than one object with FindObjectOfType().; ?

**//now it works fine :)

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;

 public class testFind : MonoBehaviour {
 Stone[] s;
 // Use this for initialization
 void Start () {
     
     s=(Stone[]) GameObject.FindObjectsOfType(typeof(Stone));
     a ();
 }
 

 public void a(){

     foreach (Stone STONE in s) {
 
         STONE.anim.Play ("DestroyStone");
     }

 }
  
 }