Melissa & Doug Secret Decoder The Case of the Runaway Ruby

Melissa & Doug Secret Decoder The Case of the Runaway Ruby

Young investigators play a crucial role in solving the mystery of The Case of the Runaway Ruby. Working alongside the character Gary Gumshoe, children must track down Madame Mahvelous's missing gem using critical thinking and observation.

The book features a built-in decoder wheel visible from every page, allowing users to decipher secret messages instantly. To uncover further evidence, the included magic-reveal pen exposes hidden clues within mazes and puzzles, ensuring high engagement throughout the story. This interactive format challenges budding detectives to apply deductive reasoning and logic to crack the case.

Designed for convenience, the set features tab-close covers that securely hold all components, making it an excellent option for entertainment during travel or outings.

Includes:

• Decoder Pad
• Decoder Wheel
• Marker