diff --git a/Phase1Example.sandbox/Phase1Example.sandbox.msd b/Phase1Example.sandbox/Phase1Example.sandbox.msd
new file mode 100644
index 0000000..2e43eaf
--- /dev/null
+++ b/Phase1Example.sandbox/Phase1Example.sandbox.msd
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<solution name="Phase1Example.sandbox" uuid="a1b2c3d4-e5f6-47a8-9b0c-d1e2f3a4b5c6" moduleVersion="0">
+  <models>
+    <modelRoot contentPath="${module}" type="default">
+      <sourceRoot path="${module}/models" />
+    </modelRoot>
+  </models>
+  <facets>
+    <facet type="java" compile="off" classes="off" ext="no">
+      <classes generated="true" />
+    </facet>
+  </facets>
+  <languageVersions>
+    <language slang="l:a452e1cf-6f8c-4bca-8447-fd4d6e4d0003:SemAnno" version="0" />
+    <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
+  </languageVersions>
+  <dependencyVersions>
+    <module reference="a1b2c3d4-e5f6-47a8-9b0c-d1e2f3a4b5c6(Phase1Example.sandbox)" version="0" />
+  </dependencyVersions>
+</solution>
diff --git a/Phase1Example.sandbox/models/Phase1Test.mps b/Phase1Example.sandbox/models/Phase1Test.mps
new file mode 100644
index 0000000..ea83752
--- /dev/null
+++ b/Phase1Example.sandbox/models/Phase1Test.mps
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<model ref="r:c1d2e3f4-a5b6-47c8-9d0e-f1a2b3c4d5e6(Phase1Test)">
+  <persistence version="9" />
+  <languages>
+    <use id="a452e1cf-6f8c-4bca-8447-fd4d6e4d0003" name="SemAnno" version="0" />
+    <use id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core" version="2" />
+  </languages>
+  <imports />
+  <registry>
+    <language id="a452e1cf-6f8c-4bca-8447-fd4d6e4d0003" name="SemAnno">
+      <concept id="8440420766104857128" name="SemAnno.structure.Module" flags="ng" index="2Ks9RF">
+        <child id="8982541288447632589" name="variables" index="2Ks9RG" />
+        <child id="8982541288447632588" name="functions" index="2Ks9RH" />
+      </concept>
+      <concept id="8982541288447632700" name="SemAnno.structure.Variable" flags="ng" index="2KtM7O" />
+      <concept id="8440420766104857192" name="SemAnno.structure.Function" flags="ng" index="2Ks9S5" />
+    </language>
+    <language id="ceab5195-25ea-4f22-9b92-103b95ca8c0c" name="jetbrains.mps.lang.core">
+      <concept id="1169194658468" name="jetbrains.mps.lang.core.structure.INamedConcept" flags="ngI" index="TrEIO">
+        <property id="1169194664001" name="name" index="TrG5h" />
+      </concept>
+    </language>
+  </registry>
+  <node concept="2Ks9RF" id="Phase1_00001">
+    <property role="TrG5h" value="TestModule" />
+    <node concept="2KtM7O" id="Phase1_00002" role="2Ks9RG">
+      <property role="TrG5h" value="testVar" />
+    </node>
+  </node>
+</model>