Thank you for viewing. This book concretely and warmly introduces knowledge about "sex" for children, based on actual interactions and examples. It is recommended for those who want to implement sex education at home or school. 【Condition of the product】 ・Purchased a few years ago and stored at home. ・Some pages have markings with a highlighter. ・There are several folds on the corners of the pages. ・There are stains on the top (please check the photos). ・There are no problems with reading, and overall it is a used book with signs of wear. 【Shipping method】 ・Will be shipped via Mercari delivery, carefully packaged. Please consider purchasing, understanding that this is a used book with signs of wear.