Bright siblings-and amateur inventors-Nick and Tesla Holt are back in this fourth instalment. With the mystery of the sp... MoreNick and Tesla's Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself
In this second novel of the Nick and Tesla series, the precocious brother-and-sister duo find themselves solving another... MoreNick and Tesla's Robot Army Rampage: A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself
Nick and Tesla are bright 12-year-old siblings with a knack for science, electronics, and getting into trouble. When the... MoreNick and Tesla and the High-Voltage Danger Lab: A Mystery with Gadgets You Can Build Yourself ourself
Another whiz-bang mystery in the popular Nick and Tesla series, featuring a new case to crack and all-new gadgets that k... MoreNick and Tesla's Special Effects Spectacular: A Mystery with Animatronics, Alien Makeup, Camera Gear, and Other Movie Magic You Can Make Yourself!
In this third installment of the series, 11-year-old whiz-kids Nick and Tesla discover that someone in the quiet town of... MoreNick and Tesla's Secret Agent Gadget Battle: A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself
Super-smart kid inventors Nick and Tesla Holt have outsmarted crooks, spies, and kidnappers, but now it's time to crack ... MoreNick and Tesla's Solar-Powered Showdown: A Mystery with Sun-Powered Gadgets You Can Build Yourself
After rescuing a kidnapped heiress and taking down a robot army, 11-year-old twins Nick and Tesla could really use a bre... MoreNick and Tesla and the Secret Agent Gadget Battle: A Mystery with Gadgets You Can Build Yourself
Just like their eccentric genius Uncle Newt, 11-year-old twins Nick and Tesla love science and they can't wait for the g... MoreNick and Tesla and the Super-Cyborg Gadget Glove: A Mystery with Gadgets You Can Build Yourself
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