What gifts did the queen give her daughter?

Dresses, Gold Cup, magic horse Falada

How did the maid betray the princess?

Forced role switch at prince's castle

Communicated with Falada's head, sang to the wind

Prince married real princess, happiness restored

The princess's ability to communicate with Falada's head and sing to the wind plays a crucial role in revealing her true identity and ultimately leading to her happy ending.
The theme of justice prevailing over deceit is highlighted as the king punishes the maid for her treachery by throwing her into the sea, allowing the prince to marry the rightful princess, bringing about a resolution that benefits all involved.

What gifts did the queen give her daughter?
Dresses, Gold Cup, magic horse Falada
How did the maid betray the princess?
Forced role switch at prince's castle
What punishment did the king impose on the deceitful maid?
Thrown into the sea
How did the real princess reveal her true identity to the king?
Communicated with Falada's head, sang to the wind
How did the story conclude?
Prince married real princess, happiness restored

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The queen gives her daughter beautiful dresses, a Gold Cup, and a magic horse named Falada before she leaves to marry a prince.
The princess and her maid ride to the prince's castle, but the maid betrays her, forcing her to switch clothes and roles.
The real princess is sent to work as a goose girl by the king, while the maid pretends to be the princess.
The real princess communicates with Falada's head and sings to the wind, revealing her true identity to the king.
The king punishes the deceitful maid by having her thrown into the sea, allowing the prince to marry the real princess, bringing happiness to all.