Young sleuths will love helping Gary Gumshoe find Madame Mahvelous's missing ruby! A few turns of the included decoder wheel—bound right into the book and visible from every page—will help detectives-in-training complete each challenge as they put their deductive skills to the test. To uncover even more case-cracking clues, master mazes, and complete puzzles, a magic-reveal pen is included, giving every page plenty of play value. It all stores neatly within the tab-close covers—perfect for spies on the go.

Includes:

• Decoder Pad
• Decoder Wheel
• Marker

In-Package Weight: 0.3 Pound

In-Package Dimensions: 6.0 Inch x 10.1 Inch x 0.8 Inch

Age Range: 7+