Where is dowsing in the Phineas and Ferb ds game?

In the "Phineas and Ferb" Nintendo DS game, dowsing is used as a mechanic to locate hidden items or collectibles throughout the game. Players can use a dowsing rod to help pinpoint the location of these items, which are essential for completing various tasks and puzzles. The dowsing feature adds an interactive element to exploration, enhancing the overall gameplay experience.