diff --git a/app/src/main/java/com/example/sprout/refactor/messengers/NavigationMessage.java b/app/src/main/java/com/example/sprout/refactor/messengers/NavigationMessage.java
new file mode 100644
index 0000000..6c5327a
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/messengers/NavigationMessage.java
@@ -0,0 +1,33 @@
+package com.example.sprout.refactor.messengers;
+
+/**
+ * 画面遷移をするために送信するObject
+ *
+ * @author matsumoto_k
+ */
+public class NavigationMessage {
+    private final Type type;
+    private Class<?> clazz = null;
+
+    public NavigationMessage(Type type, Class<?> clazz) {
+        this.type = type;
+        this.clazz = clazz;
+    }
+
+    public NavigationMessage(Type type) {
+        this.type = type;
+    }
+
+    public enum Type {
+        Start, // 指定のアクティビティを開始する
+        Finish // アクティビティを終了する
+    }
+
+    public Type getType() {
+        return type;
+    }
+
+    public Class<?> getClazz() {
+        return clazz;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/messengers/ToastMessage.java b/app/src/main/java/com/example/sprout/refactor/messengers/ToastMessage.java
new file mode 100644
index 0000000..860895f
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/messengers/ToastMessage.java
@@ -0,0 +1,32 @@
+package com.example.sprout.refactor.messengers;
+
+/**
+ * トーストを表示するために送信するObject
+ *
+ * @author matsumoto_k
+ */
+public class ToastMessage {
+    private final String message;
+    private final Length length;
+
+    public ToastMessage(String message, Length length) {
+        this.message = message;
+        this.length = length;
+    }
+
+    /**
+     * トーストを表示させた時の表示時間の長さ
+     */
+    public enum Length {
+        SHORT,
+        LONG
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public Length getLength() {
+        return length;
+    }
+}
\ No newline at end of file