@EventHandler
    public void slimeGrenade(PlayerInteractEvent event) {
        Player player = event.getPlayer();
        World world = player.getWorld();
            if (player.getItemInHand().getType() == Material.SLIME_BALL) {
                if (event.getAction() == Action.RIGHT_CLICK_BLOCK || event.getAction() == Action.RIGHT_CLICK_AIR) {
                    final Item grenade = world.dropItem(player.getEyeLocation(), new ItemStack(Material.MAGMA_CREAM));
                    grenade.setVelocity(player.getEyeLocation().getDirection());
                    BukkitScheduler scheduler = Bukkit.getServer().getScheduler();
            	    scheduler.scheduleSyncRepeatingTask(plugin, new Runnable()
            	    {
            	      public void run()
            	      {
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.EXPLOSION, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.EXPLOSION, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.EXPLOSION, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.EXPLOSION, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FLAME, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FLAME, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FLAME, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FLAME, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FLAME, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FLAME, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FIREWORKS_SPARK, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FIREWORKS_SPARK, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FIREWORKS_SPARK, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FIREWORKS_SPARK, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.FIREWORKS_SPARK, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.LAVA_POP, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
            	    	  grenade.getWorld().playEffect(grenade.getLocation(), Effect.MOBSPAWNER_FLAMES, Integer.MAX_VALUE);
                          grenade.remove();
            	        }
            	    }, 0L, 100L);
                }
            }
        }