diff --git a/Locomative/Locomative/MapWithSetLocoGeneric.cs b/Locomative/Locomative/MapWithSetLocoGeneric.cs
index 896bce3..d3b2b7a 100644
--- a/Locomative/Locomative/MapWithSetLocoGeneric.cs
+++ b/Locomative/Locomative/MapWithSetLocoGeneric.cs
@@ -46,13 +46,9 @@ namespace Locomative
         public Bitmap ShowOnMap()
         {
             Shaking();
-            for(int i =0; i < _setLoco.Count; i++)
+            foreach (var loco in _setLoco.GetLoco())
             {
-                var loco = _setLoco.Get(i);
-                if(loco != null)
-                {
-                    return _map.CreateMap(_pictureWidth, _pictureHeight, loco);
-                }
+                return _map.CreateMap(_pictureWidth, _pictureHeight, loco);
             }
             return new(_pictureWidth, _pictureHeight);
         }
@@ -69,11 +65,11 @@ namespace Locomative
             int j = _setLoco.Count - 1;
             for(int i = 0; i < _setLoco.Count; i++)
             {
-                if(_setLoco.Get(i) == null)
+                if (_setLoco[j] == null)
                 {
                     for(; j>1; j--)
                     {
-                        var car = _setLoco.Get(j);
+                        var car = _setLoco[j];
                         if (car != null)
                         {
                             _setLoco.Insert(car, i);
@@ -107,40 +103,31 @@ namespace Locomative
             int CountWidth = _pictureWidth / _placeSizeWidth;
 
             int x = 10;
-            int y = _pictureHeight - _placeSizeHeight + 5;
-
-            for (int k = 0; k < _setLoco.Count; k++)
+            int y = _pictureHeight -  _placeSizeHeight;
+            int k = 0;
+            foreach (var plain in _setLoco.GetLoco())
             {
-                if (_setLoco.Get(k) != null)
-                {
-                    if ((k - 1) % CountWidth != 0 || k == 0)
-                    {
-                        _setLoco.Get(k)?.SetObject(x, y, _pictureWidth, _pictureHeight);
-                        _setLoco.Get(k)?.DrawningObject(g);
-                        x += _placeSizeWidth;
-                    }
-                    else
-                    {
 
-                        _setLoco.Get(k)?.SetObject(x, y, _pictureWidth, _pictureHeight);
-                        _setLoco.Get(k)?.DrawningObject(g);
-                        x = 10;
-                        y -= _placeSizeHeight;
-
-                    }
-                }
-                if (_setLoco.Get(k) == null)
+                if ((k + 1) % CountWidth != 0 || k == 0)
                 {
-                    if ((k + 1) % CountWidth != 0 || k == 0)
-                        x += _placeSizeWidth;
-                    else
-                    {
-                        x = 10;
-                        y -= _placeSizeHeight;
-                    }
+                    plain?.SetObject(x, y, _pictureWidth, _pictureHeight);
+                    plain?.DrawningObject(g);
+                    x += _placeSizeWidth;
                 }
+                else
+                {
+
+                    plain?.SetObject(x, y, _pictureWidth, _pictureHeight);
+                    plain?.DrawningObject(g);
+                    x = 10;
+                    y -= _placeSizeHeight;
+
+                }
+
+                k++;
             }
 
         }
+
     }
 }
diff --git a/Locomative/Locomative/MapsCollection.cs b/Locomative/Locomative/MapsCollection.cs
new file mode 100644
index 0000000..714dc48
--- /dev/null
+++ b/Locomative/Locomative/MapsCollection.cs
@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Locomative
+{
+    internal class MapsCollection
+    {
+        readonly Dictionary<string, MapWithSetLocoGeneric<DrawningObjectLoco,AbstractMap>> _mapStorages;
+        public List<string> Keys => _mapStorages.Keys.ToList();
+        private readonly int _pictureWidth;
+        private readonly int _pictureHeight;
+        public MapsCollection(int pictureWidth, int pictureHeight)
+        {
+            _mapStorages = new Dictionary<string,MapWithSetLocoGeneric<DrawningObjectLoco, AbstractMap>>();
+            _pictureWidth = pictureWidth;
+            _pictureHeight = pictureHeight;
+        }
+        public void AddMap(string name, AbstractMap map)
+        {
+            if (_mapStorages.ContainsKey(name))
+                return;
+            Keys.Add(name);
+            _mapStorages.Add(name, new MapWithSetLocoGeneric<DrawningObjectLoco, AbstractMap>(_pictureWidth, _pictureHeight, map));
+
+        }
+
+        public void DelMap(string name)
+        {
+            if (!_mapStorages.ContainsKey(name))
+                return;
+            Keys.Remove(name);
+            _mapStorages.Remove(name);
+        }
+
+        public MapWithSetLocoGeneric<DrawningObjectLoco, AbstractMap> this[string ind]
+        {
+            get
+            {
+
+                if (!_mapStorages.ContainsKey(ind))
+                    return null;
+                else
+                    return _mapStorages[ind];
+            }
+        }
+    }
+}
+
diff --git a/Locomative/Locomative/SetLocoGeneric.cs b/Locomative/Locomative/SetLocoGeneric.cs
index d24f61d..dd515db 100644
--- a/Locomative/Locomative/SetLocoGeneric.cs
+++ b/Locomative/Locomative/SetLocoGeneric.cs
@@ -9,73 +9,75 @@ namespace Locomative
     internal class SetLocoGeneric<T>
         where T : class
     {
-        private readonly T[] _places;
-        public int Count => _places.Length;
+        private readonly List<T> _places;
+        public int Count => _places.Count;
+        private readonly int _maxCount;
         public SetLocoGeneric(int count)
         {
-            _places = new T[count];
+            _maxCount = count;
+            _places = new List<T>();
         }
-        public int Insert(T locomative)
+        public int Insert(T plain)
         {
-            int i;
-            for (i = 0; i < Count; i++)
-            {
-                if (_places[i] == null)
-                {
-                    for (int j = i; j >= 1; j--)
-                    {
-                        _places[j] = _places[j - 1];
-                    }
-                    _places[0] = locomative;
-                    return i;
-                }
-            }
 
-            return -1;
+            Insert(plain, 0);
+            return _places.Count;
         }
-        public int Insert(T locomative, int position)
+        public int Insert(T loco, int position)
         {
-            if (position > Count || position < 0)
+            if (position < 0 || _places.Count < position || position > _maxCount || _places.Count == _maxCount)
                 return -1;
-            if (_places[position] == null)
-            {
-                _places[position] = locomative;
-                return position;
-            }
-            else
-            {
-                for (int i = position; i < Count; i++)
-                {
-                    if (_places[i] == null)
-                    {
-                        for (int j = i; j >= position + 1; j--)
-                        {
-                            _places[j] = _places[j - 1];
-                        }
-                        _places[position] = locomative;
-                        return position;
-                    }
-                }
-            }
-            return -1;
+            else if (loco == null)
+                return -1;
+            _places.Insert(position, loco);
+            return position;
 
         }
         public T Remove(int position)
         {
             T mid;
-            if (_places[position] != null && position < _places.Length)
+            if (position < 0 || _places.Count < position || position > _maxCount)
+                return null;
+            else if (_places[position] == null)
+                return null;
+            else
             {
                 mid = _places[position];
-                _places[position] = null;
-                return mid;
-
+                _places.RemoveAt(position);
             }
-            else
-                return null;
+            return mid;
         }
-        public T Get(int position)
+        public T this[int position]
         {
-            return _places[position];
+            get
+            {
+                if (position < 0 || _places.Count < position || position > _maxCount)
+                    return null;
+                else if (_places[position] == null)
+                    return null;
+                else
+                    return _places[position];
+            }
+            set
+            {
+                if (position < 0 || _places.Count < position || position > _maxCount)
+                    return;
+                else if (_places.Count == _maxCount)
+                    return;
+                else
+                    _places[position] = value;
+            }
         }
+        public IEnumerable<T> GetLoco()
+        {
+            foreach (var loco in _places)
+            {
+                if (loco != null)
+                    yield return loco;
+                else
+                    yield break;
+            }
+        }
+
     }
-}
+}
\ No newline at end of file