Nick and Tesla's solar-powered showdown : a mystery with sun-powered gadgets you can build yourself

by Pflugfelder, Bob, 1967-
Published 2016

Nick and Tesla's high-voltage danger lab : a mystery with electromagnets, burglar alarms, and other gadgets you can build yourself

by Pflugfelder, Bob, 1967-
Published 2013

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, 1967-, Hockensmith, Steve
Published 2014

Nick and Tesla's special effects spectacular : a mystery with animatronics, alien makeup, camera gear, and other movie magic you can make yourself

by Pflugfelder, Bob, 1967-, Hockensmith, Steve
Published 2015

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, 1967-, Hockensmith, Steve
Published 2014

Nick and Tesla's high-voltage danger lab : a mystery with electromagnets, burglar alarms, and other gadgets you can build yourself

by Pflugfelder, Bob, 1967-, Hockensmith, Steve
Published 2013

Nick and Tesla's robot army rampage : a mystery with hoverbots, bristlebots, and other robots you can build yourself

by Pflugfelder, Bob, 1967-, Hockensmith, Steve
Published 2014