diff --git a/.gitignore b/.gitignore
index 982f393..31e01d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@
 .DS_Store
 bin/configlet
 bin/configlet.exe
+elm-stuff
 CHECKLIST
diff --git a/.travis.yml b/.travis.yml
index eba5d7e..9ca85d6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,17 @@
 ---
 language: bash
+
+
+sudo: false
+
+install:
+  - nvm install 0.12
+  - nvm use 0.12
+  - npm install -g elm@0.16.0
+  - elm package install -y
+  - npm install elm-test
+
 script:
-- bin/fetch-configlet
-- bin/configlet .
+  - bin/fetch-configlet
+  - bin/configlet .
+  - bin/build.sh
diff --git a/TestRunner.elm b/TestRunner.elm
new file mode 100644
index 0000000..0baa6f2
--- /dev/null
+++ b/TestRunner.elm
@@ -0,0 +1,15 @@
+module Main where
+
+import Signal exposing (Signal)
+
+import ElmTest exposing (consoleRunner)
+import Console exposing (IO, run)
+import Task
+
+import Tests
+
+console : IO ()
+console = consoleRunner Tests.all
+
+port runner : Signal (Task.Task x ())
+port runner = run console
diff --git a/bin/build.sh b/bin/build.sh
new file mode 100755
index 0000000..1625a86
--- /dev/null
+++ b/bin/build.sh
@@ -0,0 +1,13 @@
+for example_file in exercises/**/*.example
+do
+  exercise_dir=$(dirname $example_file)
+  exercise=$(basename $example_file .example)
+  echo 'setting up .....'
+  mv "$exercise_dir/$exercise.elm" "$exercise_dir/$exercise.impl"
+  mv "$exercise_dir/$exercise.example" "$exercise_dir/$exercise.elm"
+  echo 'building .....'
+  elm-test exercises/**/*Tests.elm
+  echo 'tearing down .....'
+  mv "$exercise_dir/$exercise.elm" "$exercise_dir/$exercise.example"
+  mv "$exercise_dir/$exercise.impl" "$exercise_dir/$exercise.elm"
+done
diff --git a/config.json b/config.json
index 3fb1036..2fbc5d1 100644
--- a/config.json
+++ b/config.json
@@ -5,13 +5,15 @@
   "active": false,
   "test_pattern": "TODO",
   "problems": [
-
+     "hello_world"
   ],
   "deprecated": [
 
   ],
   "ignored": [
     "bin",
+    "elm-stuff",
+    "node_modules",
     "docs"
   ],
   "foregone": [
diff --git a/elm-package.json b/elm-package.json
new file mode 100644
index 0000000..840b849
--- /dev/null
+++ b/elm-package.json
@@ -0,0 +1,17 @@
+{
+    "version": "1.0.0",
+    "summary": "Exercism problems in Elm.",
+    "repository": "https://github.com/exercism/xelm.git",
+    "license": "BSD3",
+    "source-directories": [
+        ".",
+        "./exercises/hello_world"
+    ],
+    "exposed-modules": [],
+    "dependencies": {
+        "deadfoxygrandpa/elm-test": "3.0.1 <= v < 4.0.0",
+        "elm-lang/core": "2.0.0 <= v < 4.0.0",
+        "laszlopandy/elm-console": "1.1.0 <= v < 2.0.0"
+    },
+    "elm-version": "0.15.0 <= v < 0.17.0"
+}
diff --git a/exercises/hello_world/HelloWorld.elm b/exercises/hello_world/HelloWorld.elm
new file mode 100644
index 0000000..498ce36
--- /dev/null
+++ b/exercises/hello_world/HelloWorld.elm
@@ -0,0 +1 @@
+module HelloWorld where
diff --git a/exercises/hello_world/HelloWorld.example b/exercises/hello_world/HelloWorld.example
new file mode 100644
index 0000000..c1c95c8
--- /dev/null
+++ b/exercises/hello_world/HelloWorld.example
@@ -0,0 +1,9 @@
+module HelloWorld where
+
+helloworld : Maybe String -> String
+helloworld name =
+  case name of
+    Just name ->
+       "Hello, " ++ name ++ "!"
+    Nothing ->
+      "Hello, World!"
diff --git a/exercises/hello_world/HelloWorldTests.elm b/exercises/hello_world/HelloWorldTests.elm
new file mode 100644
index 0000000..85876fd
--- /dev/null
+++ b/exercises/hello_world/HelloWorldTests.elm
@@ -0,0 +1,20 @@
+import String
+import Task
+
+import Console
+import ElmTest exposing (..)
+import HelloWorld exposing (..)
+
+
+tests : Test
+tests =
+  suite "Hello, World!"
+    [ test "Hello with no name" (assertEqual "Hello, World!" (helloworld Nothing))
+    , test "Hello to a sample name" (assertEqual "Hello, Alice!" (helloworld (Just "Alice")))
+    , test "Hello to another sample name" (assertEqual "Hello, Bob!" (helloworld (Just "Bob")))
+    ]
+
+
+port runner : Signal (Task.Task x ())
+port runner =
+  Console.run (consoleRunner tests)