I Spy Sneaky Science! Investigate! Stealthily gather information without being detected using decoy spy gear. Observe! Learn the tricks and techniques of a successful stakeout! Discover! Illustrated activity book reveals the science and fun of surveillance and espionage! Includes: Decoy Spy Storage Case with Hidden Compartment, Decoy Pencil Box Periscope, Two-In-One Spy Scope, Decoy Yo-Yo Microphone with Earbud, Rearview Sunglasses, 2 Mirrors, 2 Magnifier Lenses, 24-Page Activity Book with Masked Viewing Prop.