Bob Pflugfelder, Steve Hockensmith
Nick and Tesla and the High-Voltage Danger Lab: A Mystery with Gadgets You Can Build Yourself
Nick and Tesla and the High-Voltage Danger Lab: A Mystery with Gadgets You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla and the High-Voltage Danger Lab: A Mystery with Gadgets You Can Build Yourself
$7.64 $8.99
Nick and Tesla and the Robot Army Rampage: A Mystery with Gadgets You Can Build Yourself
Nick and Tesla and the Robot Army Rampage: A Mystery with Gadgets You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla and the Robot Army Rampage: A Mystery with Gadgets You Can Build Yourself
$7.64 $8.99
Nick and Tesla and the Secret Agent Gadget Battle: A Mystery with Gadgets You Can Build Yourself
Nick and Tesla and the Secret Agent Gadget Battle: A Mystery with Gadgets You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla and the Secret Agent Gadget Battle: A Mystery with Gadgets You Can Build Yourself
$7.64 $8.99
Nick and Tesla and the Super-Cyborg Gadget Glove: A Mystery with Gadgets You Can Build Yourself
Nick and Tesla and the Super-Cyborg Gadget Glove: A Mystery with Gadgets You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla and the Super-Cyborg Gadget Glove: A Mystery with Gadgets You Can Build Yourself
$7.64 $8.99
Nick and Tesla's Robot Army Rampage: A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself
Nick and Tesla's Robot Army Rampage: A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla's Robot Army Rampage: A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself
$11.01 $12.95
Nick and Tesla's Secret Agent Gadget Battle: A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself
Nick and Tesla's Secret Agent Gadget Battle: A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla's Secret Agent Gadget Battle: A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself
$11.01 $12.95
Nick and Tesla's Solar-Powered Showdown: A Mystery with Sun-Powered Gadgets You Can Build Yourself
Nick and Tesla's Solar-Powered Showdown: A Mystery with Sun-Powered Gadgets You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla's Solar-Powered Showdown: A Mystery with Sun-Powered Gadgets You Can Build Yourself
$11.01 $12.95
Nick and Tesla's Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself
Nick and Tesla's Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself by Pflugfelder, Bob
Bob Pflugfelder, Steve Hockensmith
Nick and Tesla's Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself
$11.01 $12.95