"School Survival Experiment Showdown 14: The Geology Showdown" Hong Jong-hyun / Gomdori co. Price: ¥1200 per book ✨ [Experiment Showdown Series Complete 30-Volume Set] Bulk Sale ✨ Perfect for children who love science! This is a complete set of volumes 1-30 of the popular "Experiment Showdown" series, which allows you to learn about experiments and scientific knowledge in a fun way. [Product Contents] ・Experiment Showdown Series Volumes 1-30 (Complete Set) ・Covers a wide range of themes such as acidity and alkalinity, electricity, the human body, space, earthquakes, and energy ・Understand the principles of science through experiments! ・Recommended for elementary and junior high school students' independent research and self-study [Condition] ・Used, but with almost no noticeable stains or tears ・No problem for reading [Recommended for those who] ・Want to cultivate their child's interest in science ・For free research and summer vacation homework ・Looking for educational manga that will make them like science First come, first served, so please purchase early! Instant purchase OK! #HongJongHyun #Hong_JongHyun #GomdoriCo #Book #Nature/General"