diff --git a/praktika/04_bin_baum/bin_tree_node.py b/praktika/04_bin_baum/bin_tree_node.py
new file mode 100644
index 0000000..da79af1
--- /dev/null
+++ b/praktika/04_bin_baum/bin_tree_node.py
@@ -0,0 +1,15 @@
+from utils.memory_cell import MemoryCell
+
+class BinaryTreeNode(MemoryCell):
+
+    def __init__(self, value):
+        super().__init__(value)
+        self.left = None
+        self.right = None
+
+    def __repr__(self):
+        return f"BinaryTreeNode(value={self.value}, left={self.left}, right={self.right})"
+
+    def __str__(self):
+        return str(self.value)
+