diff --git a/src/transformStateWithClones.js b/src/transformStateWithClones.js
index 96d4f7e7e..cfe7bb8af 100644
--- a/src/transformStateWithClones.js
+++ b/src/transformStateWithClones.js
@@ -7,7 +7,33 @@
  * @return {Object[]}
  */
 function transformStateWithClones(state, actions) {
-  // write code here
+  let stateCopy = { ...state };
+  const stateHistory = [];
+
+  for (let i = 0; i < actions.length; i++) {
+    const { type, extraData, keysToRemove } = actions[i];
+
+    switch (type) {
+      case 'addProperties':
+        stateCopy = { ...stateCopy, ...extraData };
+        break;
+      case 'removeProperties':
+        stateCopy = { ...stateCopy };
+
+        for (let q = 0; q < keysToRemove.length; q++) {
+          delete stateCopy[keysToRemove[q]];
+        }
+        break;
+      case 'clear':
+        stateCopy = {};
+        break;
+      default:
+        break;
+    }
+    stateHistory.push({ ...stateCopy });
+  }
+
+  return stateHistory;
 }
 
 module.exports = transformStateWithClones;