For ages 8 and up Includes a 48 page science book with over 18 projects. 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 ...For ages 8 and up Includes a 48 page science book with over 18 projects. 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 Requires a 9 volt battery as well as used and new AA to D cell batteries and common household items (not included).