Destructible objects for marble project

Unity Engine
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1

im trying to make a marble game for an assignment for a college class
what i want to do is add a destructible box and when the marble impacts or enters the trigger/collider the box will explode and reveal collectibles or traps within

i cant get the box to explode but it wont explode when the marble connects it will explode on loading the playtest

any suggestions on what im doing wrong on this and how to fix it?

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

[RequireComponent(typeof(AudioSource))]
public class Destructible : MonoBehaviour
{

private Rigidbody Rigidbody;
private AudioSource AudioSource;

[SerializeField]
private GameObject BrokenPrefab;

[SerializeField]
private AudioClip DestructionClip;

[SerializeField]
private float ExplosiveForce = 1000;
[SerializeField]
private float ExplosiveRadius = 2;
[SerializeField]
private float PieceFadeSpeed = 0.25f;
[SerializeField]
private float PieceDestroyDelay = 5f;
[SerializeField]
private float PieceSleepCheckDelay = 0.1f;
[SerializeField]
private float ImpactForceThreshold = 5f;

[SerializeField]
public Collider Collider;

[SerializeField]
private string TargetTag = "Player";

[SerializeField]
private bool hasExploded = false;

private void Awake()
{

    Rigidbody = GetComponent<Rigidbody>();
    AudioSource = GetComponent<AudioSource>();

    if(Rigidbody != null)
    {
        Rigidbody.isKinematic = true;
    }

}

private void OnTriggerEnter(Collider other)
{
     
    if (hasExploded) return;


    if (!other.gameObject.CompareTag(TargetTag)) return;

    {
        Debug.Log("Trigger detected, explosion should happen");
        Explode();
    }
    

}
public void Explode()
{
    if(!hasExploded) return;

    hasExploded = true;
    Debug.Log("Explosion triggered!");

    Destroy(Rigidbody);
    GetComponent<Collider>().enabled = false;
    

    if (DestructionClip != null)
    {
        AudioSource.PlayOneShot(DestructionClip);
    }

    GameObject brokenInstance = Instantiate(BrokenPrefab, transform.position, transform.rotation);

    Rigidbody[] rigidbodies = brokenInstance.GetComponentsInChildren<Rigidbody>();

    foreach (Rigidbody body in rigidbodies)
    {
        if (Rigidbody != null)
        {
            // inherit velocities
            body.velocity = Rigidbody.velocity;
        }
        body.AddExplosionForce(ExplosiveForce, transform.position, ExplosiveRadius);
    }

    StartCoroutine(FadeOutRigidBodies(rigidbodies));
}

private IEnumerator FadeOutRigidBodies(Rigidbody[] Rigidbodies)
{
    WaitForSeconds Wait = new WaitForSeconds(PieceSleepCheckDelay);
    float activeRigidbodies = Rigidbodies.Length;

    while (activeRigidbodies > 0)
    {
        yield return Wait;

        foreach (Rigidbody rigidbody in Rigidbodies)
        {
            if (rigidbody.IsSleeping())
            {
                activeRigidbodies--;
            }
        }
    }


    yield return new WaitForSeconds(PieceDestroyDelay);

    float time = 0;
    Renderer[] renderers = Array.ConvertAll(Rigidbodies, GetRendererFromRigidbody);
    
    foreach(Rigidbody body in Rigidbodies)
    {
        Destroy(body.GetComponent<Collider>());
        Destroy(body);
    }

    while(time < 1)
    {
        float step = Time.deltaTime * PieceFadeSpeed; 
        foreach (Renderer renderer in renderers)
        {
            renderer.transform.Translate(Vector3.down * (step / renderer.bounds.size.y), Space.World);
        }

        time += step;
        yield return null;
    }

    foreach (Renderer renderer in renderers)
    {
        Destroy(renderer.gameObject);
    }
    Destroy(gameObject);
}

private Renderer GetRendererFromRigidbody(Rigidbody Rigidbody)
{
    return Rigidbody.GetComponent<Renderer>();
}

}