ScienceWiz W7901 Inventions Kit, Age: 8-15 Year (2-BOXES) Years of testing with children has produced this carefully crafted set of doable projects. With the step-by-step instructions and highly visual 3D illustrations that successfully guide you through each of the inventions, central scientific concepts are presented so that you'll understand the why as well as the how of the workings of the following objects that you will build:- a spinning motor- a clicking telegraph- a light flashing generator- a real radioThe use of everyday materials demystifies the way common electronic components work; the following common household items were not practical to include in the kit, but will be needed: toilet paper tube, paper towel or shipping tube, piece of cardboard or shoe box lid, white glue, tape, scissors, piece of paper and aluminum foil.For ages 8 and up.Contains over 30 pieces and a 40 page full color illustrated book. ScienceWiz Products ScienceWiz Inventions Kit - Theme/Subject: Fun Includes a 40-page science book with materials 4 Major Projects to Build: A spinning motor A clicking telegraph A light-flashing generator A real radio Requires one D cell battery. Step-by-step, highly visual instructions lead a child successfully through each invention. Full-color illustrations present central scientific concepts which allow children to discover the ?why? as well as the ?how.? The use of everyday materials demystifies the workings of common electronic components. The animations that compliment the book on the website deepen and extend comprehension. Although designed for eight year olds, Inventions has an extraordinary history and following by all ages. It has been used at MIT to mentor high school students in physics. It has been used at U.C. Berkeley to mentor women in science.