diff --git a/BuildingTools/BlockSelections.cs b/BuildingTools/BlockSelections.cs
index 44e8fcc..9aca861 100644
--- a/BuildingTools/BlockSelections.cs
+++ b/BuildingTools/BlockSelections.cs
@@ -21,17 +21,9 @@ namespace BuildingTools
             return false;
         }
 
-        /*public Block[] SelectBlocks(byte id)
-        {
-            var blocks = ObjectIdentifier.GetBySimID(id).SelectMany(block => block.GetConnectedCubes()).ToArray();
-            return blocks;
-        }
-
         public Block[] SelectBlocks(char id)
         {
-            var blocks = ObjectIdentifier.GetByID(id).SelectMany(oid => oid.GetConnectedCubes())
-                .ToArray();
-            return blocks;
-        }*/
+            return ObjectID.GetByID(id).SelectMany(oid => oid.GetConnectedCubes()).ToArray();
+        }
     }
 }
\ No newline at end of file
diff --git a/BuildingTools/BuildingTools.cs b/BuildingTools/BuildingTools.cs
index 0af81ab..0d920c6 100644
--- a/BuildingTools/BuildingTools.cs
+++ b/BuildingTools/BuildingTools.cs
@@ -9,6 +9,10 @@ using TechbloxModdingAPI.Blocks;
 using TechbloxModdingAPI.Commands;
 using TechbloxModdingAPI.Utility;
 using IllusionPlugin;
+using RobocraftX.Schedulers;
+using Svelto.Tasks;
+using Svelto.Tasks.Enumerators;
+using Svelto.Tasks.Lean;
 using TechbloxModdingAPI.App;
 using Unity.Mathematics;
 using Main = TechbloxModdingAPI.Main;
@@ -40,7 +44,6 @@ namespace BuildingTools
                 {
                     if (!GameState.IsBuildMode()) return; //Scaling & positioning is weird in simulation
                     if (_blockSelections.CheckNoBlocks(blocks)) return;
-                    // ReSharper disable once PossibleNullReferenceException
                     float3? reference = Player.LocalPlayer.GetBlockLookedAt()?.Position;
                     if (!reference.HasValue)
                     {
@@ -89,6 +92,26 @@ namespace BuildingTools
                         block.Color = new BlockColor(clr, darkness);
                     Logging.CommandLog("Blocks colored.");
                 });
+            _commandUtils.RegisterBlockCommand("materialBlocks", "Sets the material of the selected blocks permanently both in time stopped and running. It won't be reset when stopping time.",
+                (material, darkness, blocks, refBlock) =>
+                {
+                    if (!Enum.TryParse(material, true, out BlockMaterial mat))
+                    {
+                        Logging.CommandLogWarning("Material " + material + " not found");
+                    }
+
+                    IEnumerator<TaskContract> SetMaterial()
+                    {
+                        foreach (var block in blocks)
+                        {
+                            block.Material = mat;
+                            yield return new WaitForSecondsEnumerator(0.2f).Continue();
+                        }
+                    }
+
+                    SetMaterial().RunOn(ClientLean.UIScheduler);
+                    Logging.CommandLog("Block materials set.");
+                });
 
             CommandBuilder.Builder("selectBlocksLookedAt",
                     "Selects blocks (1 or more) to change. Only works in time stopped mode, however the blocks can be changed afterwards in both modes." +
@@ -111,14 +134,14 @@ namespace BuildingTools
                     var blocks = _blockSelections.blocks;
                     Logging.CommandLog(blocks.Length + " blocks selected.");
                 }).Build();
-            /*CommandBuilder.Builder("selectBlocksWithID", "Selects blocks with a specific object ID.")
+            CommandBuilder.Builder("selectBlocksWithID", "Selects blocks with a specific object ID.")
                 .Action<char>(id =>
                 {
                     _blockSelections.blocks =
-                        (_blockSelections.refBlock = ObjectIdentifier.GetByID(id).FirstOrDefault())
-                        ?.GetConnectedCubes() ?? new Block[0];
+                        (_blockSelections.refBlock = ObjectID.GetByID(id).FirstOrDefault())
+                        ?.GetConnectedCubes() ?? Array.Empty<Block>();
                     Logging.CommandLog(_blockSelections.blocks.Length + " blocks selected.");
-                }).Build();*/
+                }).Build();
             CommandBuilder.Builder("selectSelectedBlocks", "Selects blocks that are box selected by the player.")
                 .Action(() =>
                 {
@@ -256,10 +279,9 @@ namespace BuildingTools
                     }
                     else
                     {
-                        if (!data.StatsByName.TryGetValue(stat, out var statInfo))
+                        if (!data.statsByName.TryGetValue(stat, out var statInfo))
                         {
-                            Logging.CommandLogError(
-                                $"Tweakable stat {stat} not found. Stats: {data.StatsNames.Aggregate((a, b) => a + ", " + b)}");
+                            Logging.CommandLogError($"Tweakable stat {stat} not found. Stats: {data.statsByName.Keys.Aggregate((a, b) => a + ", " + b)}");
                             return;
                         }
 
@@ -269,6 +291,7 @@ namespace BuildingTools
                     foreach (var statInfo in stats)
                     {
                         statInfo.max = value == 0 ? 1000 : value;
+                        statInfo.min = -1000;
                     }
 
                     Logging.CommandLog($"{(stat is null || stat.Length == 0 ? "All stats" : $"Stat {stat}")} max changed to {(value == 0 ? 1000 : value)} on {bl}");
@@ -361,7 +384,7 @@ namespace BuildingTools
         }
 
         private IEnumerable<SimBody> GetSimBodies(Block[] blocks)
-            => blocks.Select(block => block.GetSimBody()).Distinct();
+            => blocks.Select(block => block.GetSimBody()).Where(block => !(block is null)).Distinct();
 
         public override void OnApplicationQuit() => Main.Shutdown();
 
diff --git a/BuildingTools/CommandUtils.cs b/BuildingTools/CommandUtils.cs
index 51bb175..115197c 100644
--- a/BuildingTools/CommandUtils.cs
+++ b/BuildingTools/CommandUtils.cs
@@ -49,9 +49,9 @@ namespace BuildingTools
                         return;
                     }
 
-                    /*var blocks = _blockSelections.SelectBlocks(argsa[3][0]);
+                    var blocks = _blockSelections.SelectBlocks(argsa[3][0]);
                     if (_blockSelections.CheckNoBlocks(blocks)) return;
-                    action(x, y, z, blocks, blocks[0]);*/
+                    action(x, y, z, blocks, blocks[0]);
                 }
                 else if (!_blockSelections.CheckNoBlocks(bs))
                     action(x, y, z, bs, b);
@@ -83,9 +83,9 @@ namespace BuildingTools
                         return;
                     }
 
-                    /*var blocks = _blockSelections.SelectBlocks(argsa[2][0]);
+                    var blocks = _blockSelections.SelectBlocks(argsa[2][0]);
                     if (_blockSelections.CheckNoBlocks(blocks)) return;
-                    action(argsa[0], darkness, blocks, blocks[0]);*/
+                    action(argsa[0], darkness, blocks, blocks[0]);
                 }
                 else if(!_blockSelections.CheckNoBlocks(bs))
                     action(argsa[0], darkness, bs, b);