Cărți de Science Bob Pflugfelder
Nick and Tesla's High-Voltage Danger Lab: A Mystery with Electromagnets, Burglar Alarms, and Other Gadgets You Can Build Yourself Evaluare: 4 din 5 stele4/5Nick and Tesla's Solar-Powered Showdown: A Mystery with Sun-Powered Gadgets You Can Build Yourself Evaluare: 4 din 5 stele4/5Nick and Tesla's Super-Cyborg Gadget Glov: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself Evaluare: 0 din 5 stele0 evaluări