Nick and Tecla's High-voltage Dangerab: a Mystery With Electromagnets, Burglar Alarms and Other Gadgets You Can Build Yourself

An abandoned house at the end of the block. A mysterious girl in an upstairs window. A strange black SUVurking around every corner. When Nick and Tesla Holt are sent toive with their eccentric Uncle Newt, they find their new neighbourhood is full of secrets. What the heck is going on? To unravel the mysteries (and save their skins), Nick and Tesla must use everyday household objects to build electromagnets, rocketaunchers, and other crazy contraptions—and instructions are included throughout the story so you can build them, too!