smart-bow-infrared/Assets/SmartBow/Scripts/Common/TipBulletNumber.cs

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

public class TipBulletNumber : MonoBehaviour
{
    // Start is called before the first frame update
    IEnumerator Start()
    {
        yield return new WaitForSecondsRealtime(3.0f);
        Destroy(this.gameObject);
    }
}