diff --git a/exercises/03_ticket_v1/01_struct/src/lib.rs b/exercises/03_ticket_v1/01_struct/src/lib.rs
index 1119e33..4e6d6d1 100644
--- a/exercises/03_ticket_v1/01_struct/src/lib.rs
+++ b/exercises/03_ticket_v1/01_struct/src/lib.rs
@@ -4,6 +4,16 @@
 //
 // It should also have a method named `is_available` that returns a `true` if the quantity is
 // greater than 0, otherwise `false`.
+struct Order {
+    price: u8,
+    quantity: u8,
+}
+
+impl Order {
+    fn is_available(self) -> bool {
+        self.quantity > 0
+    }
+}
 
 #[cfg(test)]
 mod tests {