Wondersaurus says:
《到底為什麼？》系列一套首創結合STEAM（科學、技術、工程、藝術、數學）教育的翻翻書，旨在讓孩子在輕鬆有趣的環境中探索世界。
The "What on Earth?" series is a groundbreaking set of lift-the-flap books that combines STEAM (Science, Technology, Engineering, Arts, and Mathematics) education. The series aims to allow children to explore the world in a fun and engaging environment.
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