Includes a working electron tube!

"Make a doorbell, magic box, circuit creature and more!" --Cover.

Find out how circuits work with more than 20 experiments and projects that takes you along your own electric path of scientific discovery. Explore the way current travels (or doesn't) through the materials in a circuit. Assemble your own battery out of parts that may surprise you. Build circuits that light up, buzz, and even send messages, using only paper, tape, and sinmple electrical components. You can create sculptures with amazing electricity-conducting dough, for the ultimate combination of art and science. Have an electrifying time!"--P. [4] of cover.

8+.