・ "Perfect Free Research for Elementary School Students 5th & 6th Grade" Seimido Publishing ・ "Elementary School Students' Guide to Free Research: Science Edition Revised" Gakken [Product Description] A set of two books perfect for elementary school students' free research projects. Many themes are included, such as experiments, observations, crafts, and surveys, that can be done with items found at home. Ideal for summer vacation homework and supporting children's curiosity and learning. [Condition] ・No writing ・Some scratches and creases on the cover, but the inside is clean ・Please purchase if you understand that this is a used item This is a used item. Please refrain from purchasing if you are concerned. Due to amateur inspection, there may be oversights. I try to ship as soon as possible, but I usually ship within 2-3 days due to work and other circumstances. Depending on the size after packaging, there is a possibility of changing from Rakuraku Mercari Delivery to Yu-Yu Mercari Delivery.