German market research. Find all manufacturers who produce chemistry/science sets for children sold in Germany (retail and subscription)

- Find information on all chemistry sets for children, an average customer in Germany can purchase. - Use deep search in Internet using Google with several German keywords, such as "chemistry set", "chemistry kit", "chemistry gift set", "experiments for kids", "growing crystals", "science sets for children", "science set subscriptions", "chemistry experiments", "educational sets for children", etc. - Find as many as possible reviews, charts, popular bloggers' reviews (including video bloggers), articles in popular magazines and websites, interviews with manufacturers, etc. - Visit 2-3 offline retail stores that sell such sets for children - As a result provide us with a list of found chemistry/science sets: their titles, manufacturers and websites sorted by popularity, all found links to blogs, reviews and articles. - A native German speaker, a permanent resident of a big German city is a requirement. - A parent of a child who has got personal experience in using such chemistry/scientific sets is preferred.