Blocks are all acting correctly, bomb is acting correctly

Assets/Scripts/Blocks/BlockBush.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BlockBush : MonoBehaviour {
+	GameObject burnt;
+
+	void Awake() {
+		burnt = transform.GetChild (0).gameObject;
+	}
+
+	void OnTriggerEnter2D(Collider2D collider) {
+		//TODO: use durability class?
+		FireDamager fire = collider.gameObject.GetComponent<FireDamager> ();
+		if (fire != null) {
+			burnt.SetActive (true);
+			transform.DetachChildren ();
+			Destroy (gameObject);
+		}
+	}
+}

Assets/Scripts/Blocks/BlockBush.cs.meta

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+timeCreated: 1524282472
+licenseType: Free
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Assets/Scripts/Blocks/BlockCracked.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BlockCracked : MonoBehaviour {
+	void OnCollisionEnter2D(Collision2D collision) {
+		//TODO: use durability class?
+		ExplosionDamager exp = collision.gameObject.GetComponent<ExplosionDamager> ();
+		if (exp != null) {
+			Destroy (gameObject);
+		}
+	}
+}

Assets/Scripts/Blocks/BlockCracked.cs.meta

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+timeCreated: 1524277929
+licenseType: Free
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Assets/Scripts/Blocks/BlockIce.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BlockIce : MonoBehaviour {
+	public float bombTimer = -1;
+
+	public GameObject bombPrefab;
+
+	void OnTriggerEnter2D(Collider2D collider) {
+		//TODO: use durability class?
+		FireDamager fire = collider.gameObject.GetComponent<FireDamager> ();
+		if (fire != null) {
+			if (bombTimer >= 0) {
+				GameObject bomb = Instantiate (bombPrefab);
+				bomb.transform.position = transform.position;
+				bomb.GetComponent<Bomb> ().timer = bombTimer;
+			}
+			Destroy (gameObject);
+		}
+	}
+}

Assets/Scripts/Blocks/BlockIce.cs.meta

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