Spawing a SpawnPoint with Raycast

Hello to everyone ı want to create gime like that

Game

I am working a spawn Scripts but ı connot success . I can spawn a lot of object but if user select a item this item shouldnt be destroy. And The another object musnt be spawn same place. When user click 2. times the object destroys and onother objects can spawnthe that place.

 // Erdem Köşk
 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 
 public class Spawner : MonoBehaviour
 {
     public GameObject point1;
     public GameObject point2;
     public bool statuspoint1 = true ;
     public bool statuspoint2 = true;
     public GameObject[] items;
     public GameObject items1;
     public GameObject items2;
     public GameObject items3;
     public float spawnTime;
     public GUIText deneme;
     public int number = 0;
 
   //  public float destroyTime; 
   
     void spawn()
     {
 
         if(statuspoint1){
         int kind;
         GameObject randomitem;
        
            
             kind = Random.Range(0, items.Length - 1);
             
             randomitem = items[kind];
 
             GameObject clone = (GameObject)Instantiate(randomitem, point1.transform.position, point1.transform.rotation);
 
             clone.transform.parent = point1.transform;
 
             Destroy(clone, 4);
 
     }
          if (statuspoint2)
         {
 
   int kind;
         GameObject randomitem;
        
            
             kind = Random.Range(0, items.Length - 1);
             
             randomitem = items[kind];
 
             GameObject clone = (GameObject)Instantiate(randomitem, point2.transform.position, point2.transform.rotation);
 
             clone.transform.parent =point2.transform;
             Destroy(clone, 4);
         }
 
     }
     // Use this for initialization
     void Start()
     {
         items = new GameObject[4];
         items[0] =items1;
         items[1] = items2;
         items[2] = items3;
         InvokeRepeating("spawn", 1, spawnTime);
        // enemySpawnPoints = GameObject.FindGameObjectsWithTag("Spawn");
     }
 
     // Update is called once per frame
     void Update()
     {
         if(Input.GetMouseButtonDown(0)){
             erdem();
         }
 
      
     }
 
     public void erdem()
     {
         if (Input.touchCount > 0)
         {
 
             RaycastHit2D hit = Physics2D.Raycast(Camera.main.ScreenToWorldPoint((Input.GetTouch(0).position)), Vector2.zero);
           
             if (number % 2 == 0) { 
             if (hit.collider.name == "Point1")
             {
                 statuspoint1 = false;
                 number++;
                 deneme.text = number.ToString();
             }
             }
             else{
                  statuspoint1 = true;
                 number++;
             }
             
 
          
         }
 
     }
 }

Please help me..