diff --git a/src/main/java/Cannon.java b/src/main/java/Cannon.java
new file mode 100644
index 0000000..7b0b252
--- /dev/null
+++ b/src/main/java/Cannon.java
@@ -0,0 +1,11 @@
+public class Cannon extends Equipment {
+
+    public Cannon(int purchasePrice) {
+        super(purchasePrice);
+    }
+
+    @Override
+    public int getValue() {
+        return purchasePrice / 3;
+    }
+}
diff --git a/src/main/java/Equipment.java b/src/main/java/Equipment.java
new file mode 100644
index 0000000..6ef8ffc
--- /dev/null
+++ b/src/main/java/Equipment.java
@@ -0,0 +1,11 @@
+public abstract class Equipment {
+    protected int purchasePrice;
+
+    public Equipment(int purchasePrice) {
+        this.purchasePrice = purchasePrice;
+    }
+
+    public int getValue() {
+        return purchasePrice;
+    }
+}
diff --git a/src/main/java/Ladder.java b/src/main/java/Ladder.java
new file mode 100644
index 0000000..d26ca7a
--- /dev/null
+++ b/src/main/java/Ladder.java
@@ -0,0 +1,11 @@
+public class Ladder extends Equipment {
+
+    public Ladder(int purchasePrice) {
+        super(purchasePrice);
+    }
+
+    @Override
+    public int getValue() {
+        return purchasePrice / 2;
+    }
+}