Most STEM classes only dabble with engineering. This book teaches it. And it is FUN! 

Go from potato batteries to voltage piles to building electronic circuits!

• Build a LIE DETECTOR!

• Assemble and test a touch sensor

• Construct blinking and flashing-light circuits

• Make a potato battery and voltage pile

• Solve circuit puzzles

• Make a continuity tester

• Master circuits with a multimeter

• Explore Ohm’s Law

Build! Build! Build!