added some sound triggers and holes in the map

Scripts/item_card.gd

@@ -1,14 +1,23 @@
 extends StaticBody3D
 class_name ItemCard
 
-@export var card : Card
+@export var card: Card
 
 
 func pick_up() -> Card:
-	queue_free()
+	$CollisionShape3D.call_deferred("set_disabled", true)
+	$model/CSGSphere3D.set_visible(false)
+	$AudioStreamPlayer3D.play()
 	networked_pick_up.rpc()
 	return card
 
 
-@rpc func networked_pick_up():
+@rpc
+func networked_pick_up():
+	$CollisionShape3D.call_deferred("set_disabled", true)
+	$model/CSGSphere3D.set_visible(false)
+	$AudioStreamPlayer3D.play()
+
+
+func _on_audio_stream_player_3d_finished() -> void:
 	queue_free()