diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000..4724cd4
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,3 @@
+{
+    "presets": ["env"]
+  }
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..8ef9518
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "lts/*"
\ No newline at end of file
diff --git a/package.json b/package.json
index 5961ab2..395e93f 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,10 @@
   },
   "homepage": "https://github.com/front-camp-2018/project-scaffoldings#readme",
   "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-core": "^6.26.3",
+    "babel-jest": "^23.6.0",
+    "babel-preset-env": "^1.7.0",
     "css-loader": "^1.0.0",
     "eslint": "^5.6.1",
     "eslint-plugin-jest": "^21.25.1",
diff --git a/src/dragon-curve/index.js b/src/dragon-curve/index.js
index e652f2e..8da5d0c 100644
--- a/src/dragon-curve/index.js
+++ b/src/dragon-curve/index.js
@@ -1,3 +1,4 @@
 export const dragonCurve = n => {
-  // logic...
+
+  return n;
 };
diff --git a/src/dragon-curve/index.spec.js b/src/dragon-curve/index.spec.js
index 84c6e42..bf9c088 100644
--- a/src/dragon-curve/index.spec.js
+++ b/src/dragon-curve/index.spec.js
@@ -1,5 +1,11 @@
-import {dragonCurve} from './index'
+import {dragonCurve} from './index';
 
 describe('dragonCurve::', () => {
-  // need to implement
+
+  it('Should return corect code ', () => {
+    expect(dragonCurve(1)).toEqual(1);
+    // expect(dragonCurve(2)).toEqual(110);
+    // expect(dragonCurve(3)).toEqual(1101100);
+    // expect(dragonCurve(4)).toEqual(110110011100100);
+  });
 });
diff --git a/src/rotate-matrix/index.js b/src/rotate-matrix/index.js
index d1ef07d..62577d6 100644
--- a/src/rotate-matrix/index.js
+++ b/src/rotate-matrix/index.js
@@ -1,4 +1,5 @@
 export const rotateMatrix = arr => {
-  // logic...
+  return arr.map((row, i) => row.map((column, j) => arr[j][i]));
+  
 };
 
diff --git a/src/rotate-matrix/index.spec.js b/src/rotate-matrix/index.spec.js
index 1485bc9..81d6fb4 100644
--- a/src/rotate-matrix/index.spec.js
+++ b/src/rotate-matrix/index.spec.js
@@ -1,5 +1,24 @@
-import {rotateMatrix} from './index'
+import {rotateMatrix} from './index';
 
 describe('rotateMatrix::', () => {
-  // need to implement
+  it('Should rotate matrix', () => {
+    expect(rotateMatrix([
+      [1, 2],
+      [3, 4]
+    ])).toEqual([
+      [1,3],
+      [2,4]
+    ]);
+  });
+  it('Should rotate matrix', () => {
+    expect(rotateMatrix([
+      [1, 2, 3],
+      [4, 5, 6],
+      [7, 8, 9]
+    ])).toEqual([
+      [1,4,7],
+      [2,5,8],
+      [3,6,9]
+    ]);
+  });
 });