【Product Description】 When you were a child, did you ever dig in a sandbox or a playground and think, "If I keep digging, will I reach the other side of the Earth?" This book is a "First Step into Science Picture Book" that answers familiar questions and curiosities that children often have, such as what's beneath the ground and what's inside the Earth. The "mechanisms" of flaps and pop-ups will surprise you! Detailed explanations will help you understand and be satisfied! This picture book is also perfect for science projects. (Excerpt from Ehon Navi) ● Condition: No noticeable scratches or stains, in very clean condition. ● Cover: Yes, no obi (sash) ● Yellowing: None ● Stains: None ● Dirt: None ● Creases: None ● Scratches: None ● Folds: None ● Writing: None ● Damage: None ● Tears: None ● Other Notes: This item is available for immediate purchase. Please consider this item as a used product. ★ For those who wish to purchase multiple items, we offer a discount of 200 yen for a set of 2 books, and a discount of 400 yen for a set of 3 or more books. However, for items that are initially listed as a set of multiple books, the above discount may not be applicable, so please consult with us separately. In addition, if the number of books to be bundled exceeds 4, we may divide the shipment into multiple packages due to shipping costs. If you wish to bundle items, please "like" all the picture books you want to bundle, and then submit a request from the bundling request, entering the total amount of your desired books minus the above discount. However, if the total amount is less than 1,000 yen, you can only enter a discount of 20% of the total amount. We will adjust the discount amount accordingly. #Kimura Yuichi #Yamashita Kohei #Kagaku Tanteidan