6Chapter 6: The Riddle of the Inventor’s Lab
19Chapter 19: The Vault of Innovation
7Chapter 7: The Design Challenge
20Chapter 20: The Skyward Challenge
8Chapter 8: The Problem with the Machine
21Chapter 21: The Labyrinth of Minds
9Chapter 9: The Lost Invention Puzzle
22Chapter 22: The Bridge Between Worlds
10Chapter 10: The Green Invention
23Chapter 23: The Infinite Library
11Chapter 11: The Puzzle Room of Mirrors
24Chapter 24: The Puzzle of Time
12Chapter 12: The Invention of Light
25Chapter 25: The Legacy of Innovation
13Chapter 13: The Maze of Innovation
26THE END
