Listen to the sound clip Hey, guys, have any of you seen the blueprints for our latest invention? You know, the one Perry was supposed to bring over? I can't seem to find it anywhere and we really need to get started on this project before summer vacation ends. Ferb, check the garage. Isabella, can you call Perry and see if he's on his way? I swear, that platypus always manages to disappear at the most inconvenient times. Meanwhile, Buford and Baljeet, you guys start gathering up all the supplies we'll need. We've... from Phineas Flynn (Cartoon) HiFi TTS Computer AI Voice: