Use everyday materials to foster understanding and build a spinning motor, a clicking telegraph, a working radio and a light flashing generator. Directions are clear, step-by-step and highly VISUAL. Materials are included. You will need one D-cell battery and some common household items. Incredible illustrations present central scientific concepts, allowing children to learn the "why" as well as the "how", taking how-it-works to a whole new level of clarity. The use of everyday materials in the projects contributes to the understanding of how things work. From the creators of the award winning ElectroWiz� Electricity Book/Kit Awards: Scientific American - Young Reader's Book Award, 1997National Parenting Magazine Gold Award, 1997.

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Ages 8+.Requires one "D" battery(available separately)