diff --git a/.github/workflows/super_model_test.yml b/.github/workflows/super_model_test.yml
index 0bc049c..9723ebc 100644
--- a/.github/workflows/super_model_test.yml
+++ b/.github/workflows/super_model_test.yml
@@ -29,5 +29,5 @@ jobs:
           python -m pip install pytest numpy
           python -m pip install parameterized
           python -m pip install torch torchvision torchaudio
-          python -m pytest ./tests/test_super_model.py -s
+          python -m pytest ./tests/test_super_*.py -s
         shell: bash
diff --git a/.latent-data/init-configs/README.md b/.latent-data/init-configs/README.md
index 9a22786..742e459 100644
--- a/.latent-data/init-configs/README.md
+++ b/.latent-data/init-configs/README.md
@@ -16,3 +16,8 @@ python -m black __init__.py -l 120
 
 pytest -W ignore::DeprecationWarning qlib/tests/test_all_pipeline.py
 ```
+
+
+```
+conda update --all
+```
diff --git a/lib/xlayers/super_container.py b/lib/xlayers/super_container.py
new file mode 100644
index 0000000..e479a0c
--- /dev/null
+++ b/lib/xlayers/super_container.py
@@ -0,0 +1,111 @@
+#####################################################
+# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.03 #
+#####################################################
+import torch
+
+from itertools import islice
+import operator
+
+from collections import OrderedDict
+from typing import Optional, Union, Callable, TypeVar, Iterator
+
+import spaces
+from .super_module import SuperModule
+
+
+T = TypeVar("T", bound=SuperModule)
+
+
+class SuperSequential(SuperModule):
+    """A sequential container wrapped with 'Super' ability.
+
+    Modules will be added to it in the order they are passed in the constructor.
+    Alternatively, an ordered dict of modules can also be passed in.
+    To make it easier to understand, here is a small example::
+        # Example of using Sequential
+        model = SuperSequential(
+                  nn.Conv2d(1,20,5),
+                  nn.ReLU(),
+                  nn.Conv2d(20,64,5),
+                  nn.ReLU()
+                )
+        # Example of using Sequential with OrderedDict
+        model = nn.Sequential(OrderedDict([
+                  ('conv1', nn.Conv2d(1,20,5)),
+                  ('relu1', nn.ReLU()),
+                  ('conv2', nn.Conv2d(20,64,5)),
+                  ('relu2', nn.ReLU())
+                ]))
+    """
+
+    def __init__(self, *args):
+        super(SuperSequential, self).__init__()
+        if len(args) == 1 and isinstance(args[0], OrderedDict):
+            for key, module in args[0].items():
+                self.add_module(key, module)
+        else:
+            if not isinstance(args, (list, tuple)):
+                raise ValueError("Invalid input type: {:}".format(type(args)))
+            for idx, module in enumerate(args):
+                self.add_module(str(idx), module)
+
+    def _get_item_by_idx(self, iterator, idx) -> T:
+        """Get the idx-th item of the iterator"""
+        size = len(self)
+        idx = operator.index(idx)
+        if not -size <= idx < size:
+            raise IndexError("index {} is out of range".format(idx))
+        idx %= size
+        return next(islice(iterator, idx, None))
+
+    def __getitem__(self, idx) -> Union["SuperSequential", T]:
+        if isinstance(idx, slice):
+            return self.__class__(OrderedDict(list(self._modules.items())[idx]))
+        else:
+            return self._get_item_by_idx(self._modules.values(), idx)
+
+    def __setitem__(self, idx: int, module: SuperModule) -> None:
+        key: str = self._get_item_by_idx(self._modules.keys(), idx)
+        return setattr(self, key, module)
+
+    def __delitem__(self, idx: Union[slice, int]) -> None:
+        if isinstance(idx, slice):
+            for key in list(self._modules.keys())[idx]:
+                delattr(self, key)
+        else:
+            key = self._get_item_by_idx(self._modules.keys(), idx)
+            delattr(self, key)
+
+    def __len__(self) -> int:
+        return len(self._modules)
+
+    def __dir__(self):
+        keys = super(SuperSequential, self).__dir__()
+        keys = [key for key in keys if not key.isdigit()]
+        return keys
+
+    def __iter__(self) -> Iterator[SuperModule]:
+        return iter(self._modules.values())
+
+    @property
+    def abstract_search_space(self):
+        root_node = spaces.VirtualNode(id(self))
+        for index, module in enumerate(self):
+            space = module.abstract_search_space
+            if not spaces.is_determined(space):
+                root_node.append(str(index), space)
+        return root_node
+
+    def apply_candidate(self, abstract_child: spaces.VirtualNode):
+        super(SuperSequential, self).apply_candidate(abstract_child)
+        for index in range(len(self)):
+            if str(index) in abstract_child:
+                self.__getitem__(index).apply_candidate(abstract_child[str(index)])
+
+    def forward_candidate(self, input):
+        return self.forward_raw(input)
+
+    def forward_raw(self, input):
+        for module in self:
+            input = module(input)
+        return input
diff --git a/lib/xlayers/super_core.py b/lib/xlayers/super_core.py
index 36a14a5..ea6bfdb 100644
--- a/lib/xlayers/super_core.py
+++ b/lib/xlayers/super_core.py
@@ -3,6 +3,7 @@
 #####################################################
 from .super_module import SuperRunMode
 from .super_module import SuperModule
+from .super_container import SuperSequential
 from .super_linear import SuperLinear
 from .super_linear import SuperMLPv1, SuperMLPv2
 from .super_norm import SuperLayerNorm1D
diff --git a/tests/test_basic_space.py b/tests/test_basic_space.py
index 713ec2e..8406dad 100644
--- a/tests/test_basic_space.py
+++ b/tests/test_basic_space.py
@@ -1,6 +1,8 @@
 #####################################################
 # Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.03 #
 #####################################################
+# pytest tests/test_basic_space.py -s               #
+#####################################################
 import sys, random
 import unittest
 import pytest
diff --git a/tests/test_super_att.py b/tests/test_super_att.py
index 3886f8d..c4a0900 100644
--- a/tests/test_super_att.py
+++ b/tests/test_super_att.py
@@ -1,7 +1,7 @@
 #####################################################
 # Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.03 #
 #####################################################
-# pytest ./tests/test_super_model.py -s             #
+# pytest ./tests/test_super_att.py -s               #
 #####################################################
 import sys, random
 import unittest
diff --git a/tests/test_super_container.py b/tests/test_super_container.py
new file mode 100644
index 0000000..56bb77a
--- /dev/null
+++ b/tests/test_super_container.py
@@ -0,0 +1,68 @@
+#####################################################
+# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.03 #
+#####################################################
+# pytest ./tests/test_super_container.py -s         #
+#####################################################
+import sys, random
+import unittest
+import pytest
+from pathlib import Path
+
+lib_dir = (Path(__file__).parent / ".." / "lib").resolve()
+print("library path: {:}".format(lib_dir))
+if str(lib_dir) not in sys.path:
+    sys.path.insert(0, str(lib_dir))
+
+import torch
+from xlayers import super_core
+import spaces
+
+
+"""Test the super container layers."""
+
+
+def _internal_func(inputs, model):
+    outputs = model(inputs)
+    abstract_space = model.abstract_search_space
+    print(
+        "The abstract search space for SuperAttention is:\n{:}".format(abstract_space)
+    )
+    abstract_space.clean_last()
+    abstract_child = abstract_space.random(reuse_last=True)
+    print("The abstract child program is:\n{:}".format(abstract_child))
+    model.set_super_run_type(super_core.SuperRunMode.Candidate)
+    model.apply_candidate(abstract_child)
+    outputs = model(inputs)
+    return abstract_child, outputs
+
+
+def _create_stel(input_dim, output_dim):
+    return super_core.SuperTransformerEncoderLayer(
+        input_dim,
+        output_dim,
+        num_heads=spaces.Categorical(2, 4, 6),
+        mlp_hidden_multiplier=spaces.Categorical(1, 2, 4),
+    )
+
+
+@pytest.mark.parametrize("batch", (1, 2, 4))
+@pytest.mark.parametrize("seq_dim", (1, 10, 30))
+@pytest.mark.parametrize("input_dim", (6, 12, 24, 27))
+def test_super_sequential(batch, seq_dim, input_dim):
+    out1_dim = spaces.Categorical(12, 24, 36)
+    out2_dim = spaces.Categorical(24, 36, 48)
+    out3_dim = spaces.Categorical(36, 72, 100)
+    layer1 = _create_stel(input_dim, out1_dim)
+    layer2 = _create_stel(out1_dim, out2_dim)
+    layer3 = _create_stel(out2_dim, out3_dim)
+    model = super_core.SuperSequential(layer1, layer2, layer3)
+    print(model)
+    model.apply_verbose(True)
+    inputs = torch.rand(batch, seq_dim, input_dim)
+    abstract_child, outputs = _internal_func(inputs, model)
+    output_shape = (
+        batch,
+        seq_dim,
+        out3_dim.abstract(reuse_last=True).random(reuse_last=True).value,
+    )
+    assert tuple(outputs.shape) == output_shape