**Phineas and Ferb know exactly what they're gonna do today.** They've set up a backyard science lab. You're going to help them with their experiments! Roll up your sleeves, lay down some newspaper, and get ready to tackle 10 awesome experiments. **While you're at it, keep an eye out for evil Dr. Doofenshmirtz.** You never know what kind of havoc he might be trying to wreak on the Tri-State Area.