Leif, a young inventor, stumbles upon a hidden city where ideas float through the air like balloons. In this fantastical world, thoughts become living creatures, buildings are made of pure imagination, and everything has a story to tell. As Leif explores, he meets Spark, a glowing lightbulb-like creature, and Echo, a sound-based character who can turn thoughts into music. Together, they must unlock the secret to saving the city's fading ideas before they vanish forever. "Leif and the City of Floating Ideas" is an adventure-filled journey that shows how creativity and imagination are powerful forces that shape the world around us.