Explore the power of green and clean energy, and learn how electricity is generated by a dynamo and how a circuit is connected. With the Dynamo Circuit Board, you can make a dynamo racer, light-up robot, helicopter, and propeller vehicle.
Dr. Toy, Stevanne Auerbach, PhD, is a leading expert on play, toys, and children's products. With over 30 years of experience, Dr. Auerbach includes educationally oriented, developmental and skill building products from the best toy makers in her annual award programs.
Dr. Toy has written 15 books (3 books on toys) and dozens of articles about play and toys and has appeared on television and radio programs throughout the world. Parents, teachers and toy buyers rely upon Dr. Toy's guidance in making the best selections among toys and childrens's products for learning, play and fun.Dr. Toy, LLC 268 Bush St., San Francisco, CA 94104 USA Phone 510-540-0171 // email@example.com
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