private void OnTriggerEnter(Collider other)
    {
        if (other.gameObject.tag == "Player")
        {
            gameObject.transform.GetComponent <MeshRenderer>().enabled = false;
            PlayerController player = other.gameObject.transform.GetComponent <PlayerController>();
            switch (type)
            {
            case Type.Multiplier:
            {
                player.ActivateMultiplier();
            }
            break;

            case Type.Invincible:
            {
                player.ActivateInvincible();
            }
            break;

            case Type.Magnet:
            {
                player.ActivateMagnet();
            }
            break;
            }
        }
    }