This set includes a 96-page manual that tells about the 100 most significant experiments and discoveries of all time, 94 parts for experimentation, and information on the accomplishments of more than 140 scientists and civilizations. Chapters are as follows: Light, Colors, and Sound; Heat, Steam, and Engines; Magnetism and Electricity; Communication and Microelectronics; Forces; Life; Atoms and Molecules; Stars and Planets; and The Periodic Table. “Milestones in Science is unique in that it combines experimentation with history,” Christa Raimondo of Thames & Kosmos told TDmonthly. “Each experiment is centered on a specific scientist, his or her discovery, and its importance in the world of science.” Launch date: July 2007.