Preview:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Balloon : MonoBehaviour
{
    public int scoreToGive = 1;
    public int clicksToPop = 5;
    public float scaleIncreasePerClick = 0.1f;
    public ScoreManager scoreManager;

    private void OnMouseDown()
    {
        clicksToPop -= 1;

        transform.localScale += Vector3.one * scaleIncreasePerClick;

        if(clicksToPop ==0)
        {
            scoreManager.IncreaseScore(scoreToGive);
            Destroy(gameObject);
        }
    }
}
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