diff --git a/build.gradle b/build.gradle
index 4af2ce7..e669dcb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,6 +2,7 @@
 apply plugin: 'com.jfrog.bintray'
 
 buildscript {
+    ext.kotlin_version = '1.0.3'
     repositories {
         jcenter()
     }
@@ -9,6 +10,7 @@ buildscript {
         classpath 'com.android.tools.build:gradle:2.0.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/magic/build.gradle b/magic/build.gradle
index eb0bfbd..c3cd0f9 100644
--- a/magic/build.gradle
+++ b/magic/build.gradle
@@ -1,4 +1,5 @@
 apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
 apply plugin: "maven-publish"
 apply plugin: 'com.jfrog.bintray'
 apply plugin: 'com.github.dcendents.android-maven'
@@ -23,6 +24,9 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
 }
 
 install {
@@ -105,4 +109,8 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:23.1.1'
+    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+}
+repositories {
+    mavenCentral()
 }
diff --git a/magic/src/main/java/br/com/bloder/magic/Magic.java b/magic/src/main/java/br/com/bloder/magic/Magic.java
deleted file mode 100644
index 37627c7..0000000
--- a/magic/src/main/java/br/com/bloder/magic/Magic.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package br.com.bloder.magic;
-
-import android.view.View;
-
-import br.com.bloder.magic.internal.MagicAnimation;
-
-/**
- * Created by bloder on 28/07/16.
- */
-public class Magic {
-
-  public void doWith(View button) {
-    MagicAnimation animator = new MagicAnimation(button);
-    animator.setDuration(200);
-    button.startAnimation(animator);
-  }
-}
diff --git a/magic/src/main/java/br/com/bloder/magic/Magic.kt b/magic/src/main/java/br/com/bloder/magic/Magic.kt
new file mode 100644
index 0000000..9597133
--- /dev/null
+++ b/magic/src/main/java/br/com/bloder/magic/Magic.kt
@@ -0,0 +1,14 @@
+package br.com.bloder.magic
+
+import android.view.View
+import br.com.bloder.magic.internal.MagicAnimation
+
+/**
+ * Created by bloder on 20/09/16.
+ */
+fun doWith(view : View) {
+    var animation : MagicAnimation
+    animation = MagicAnimation(view)
+    animation.duration = 200
+    view.startAnimation(animation)
+}
\ No newline at end of file
diff --git a/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.java b/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.java
deleted file mode 100644
index 523acd1..0000000
--- a/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package br.com.bloder.magic.internal;
-
-import android.view.View;
-import android.view.animation.Animation;
-import android.view.animation.Transformation;
-
-/**
- * Created by bloder on 28/07/16.
- */
-public class MagicAnimation extends Animation {
-
-  private int toWidth;
-  private int startWidth;
-  private View view;
-
-  public MagicAnimation(View view) {
-    this.view = view;
-    this.startWidth = this.view.getWidth();
-    this.toWidth = startWidth == view.getHeight() ? startWidth * 4 : view.getHeight();
-  }
-
-  @Override
-  protected void applyTransformation(float interpolatedTime, Transformation t) {
-    final int newWidth = startWidth + (int) ((toWidth - startWidth) * interpolatedTime);
-    view.getLayoutParams().width = newWidth;
-    view.requestLayout();
-  }
-}
diff --git a/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.kt b/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.kt
new file mode 100644
index 0000000..99879c4
--- /dev/null
+++ b/magic/src/main/java/br/com/bloder/magic/internal/MagicAnimation.kt
@@ -0,0 +1,21 @@
+package br.com.bloder.magic.internal
+
+import android.view.View
+import android.view.animation.Animation
+import android.view.animation.Transformation
+
+/**
+ * Created by bloder on 20/09/16.
+ */
+class MagicAnimation(view : View) : Animation() {
+
+    private var view : View? = view
+    private val startWidth : Int = view.width
+    private val toWidth : Int = if (startWidth == view.height) startWidth * 4 else view.height
+
+    override fun applyTransformation(interpolatedTime: Float, t: Transformation?) {
+        val newWidth : Int = startWidth + ((toWidth - startWidth) * interpolatedTime).toInt()
+        view?.layoutParams?.width = newWidth
+        view?.requestLayout()
+    }
+}
\ No newline at end of file
diff --git a/magic/src/main/java/br/com/bloder/magic/view/MagicButton.java b/magic/src/main/java/br/com/bloder/magic/view/MagicButton.java
index b042ef4..dcc46bb 100644
--- a/magic/src/main/java/br/com/bloder/magic/view/MagicButton.java
+++ b/magic/src/main/java/br/com/bloder/magic/view/MagicButton.java
@@ -13,7 +13,7 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
-import br.com.bloder.magic.Magic;
+import br.com.bloder.magic.MagicKt;
 import br.com.bloder.magic.R;
 
 /**
@@ -98,7 +98,7 @@ public void onClick(View v) {
           text.setVisibility(GONE);
           if(onClickListener != null) onClickListener.onClick(button);
         }
-        new Magic().doWith(v);
+        MagicKt.doWith(v);
       }
     });
   }