diff --git a/src/collection.rs b/src/collection.rs
deleted file mode 100644
index 2fa6b87..0000000
--- a/src/collection.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-use crate::document;
-
-pub struct Collection {
-    name: String,
-    documents: Vec<document::Document>,
-}
diff --git a/src/container.rs b/src/container.rs
new file mode 100644
index 0000000..e3beb6a
--- /dev/null
+++ b/src/container.rs
@@ -0,0 +1,47 @@
+use hashbrown::HashMap;
+
+use crate::key::Key;
+
+pub struct Container {
+    name: String,
+    documents: Vec<HashMap<String, Key>>,
+}
+
+/*
+Container {
+    "TestContainer",
+    {
+        aaron: {
+            name: "Aaron",
+            age: 20,
+        },
+        bob: {
+            name: "Bob",
+            age: 21,
+        },
+        carl: {
+            name: "Carl",
+            age: 22,
+        },
+    }
+}
+*/
+
+impl Container {
+    pub fn new(name: String) -> Self {
+        Container {
+            name,
+            documents: Vec::new(),
+        }
+    }
+
+    pub fn add_document(&mut self, name: String, key: Key) {
+        let mut document = HashMap::new();
+        document.insert(name, key);
+        self.documents.push(document);
+    }
+
+    pub fn get_document(&self, index: usize) -> Option<&HashMap<String, Key>> {
+        self.documents.get(index)
+    }
+}
diff --git a/src/db.rs b/src/db.rs
index 0491878..1303c71 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -1,14 +1,14 @@
 use std::{fs::File, path::Path};
 
-use crate::collection;
+use crate::container;
 
 pub struct Database {
     filename: String,
-    collections: Vec<collection::Collection>,
+    collections: Vec<container::Container>,
 }
 
 impl Database {
-    fn read_collections() -> Vec<collection::Collection> {
+    fn read_collections() -> Vec<container::Container> {
         unimplemented!()
     }
 
diff --git a/src/document.rs b/src/document.rs
deleted file mode 100644
index 5d627a7..0000000
--- a/src/document.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-use crate::key;
-
-#[derive(Debug)]
-pub struct Document {
-    id: i32,
-    keys: Vec<key::Key>,
-}
diff --git a/src/key.rs b/src/key.rs
index 5d900c2..0d87f7e 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -1,5 +1,26 @@
-#[derive(Debug)]
+use std::collections::HashMap;
+use std::any::Any;
+
 pub struct Key {
-    key: String,
-    value: String,
+    data: HashMap<String, Box<dyn Any>>,
 }
+
+impl Key {
+    pub fn new() -> Self {
+        Key {
+            data: HashMap::new(),
+        }
+    }
+
+    pub fn insert<T: Any + 'static>(&mut self, key: String, value: T) {
+        self.data.insert(key, Box::new(value));
+    }
+
+    pub fn get<T: Any + 'static>(&self, key: &str) -> Option<&T> {
+        if let Some(value) = self.data.get(key) {
+            value.downcast_ref::<T>()
+        } else {
+            None
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index cfd8d7f..03141ad 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
-mod collection;
+mod container;
 mod db;
-mod document;
 mod key;
 
-fn main() {}
+fn main() {
+
+}