How do you complete Phineas and Ferb world 1 - 3?

In Phineas and Ferb: Across the 2nd Dimension, to complete World 1-3, you need to navigate through the level by collecting items and defeating enemies. Focus on using Phineas's abilities to build contraptions that help you overcome obstacles. Look for hidden items and pathways to maximize your score. Finally, reach the end of the level by defeating the boss and collecting the special item.