This is an experimental educational kit for learning and observation purposes. It is a science educational material using dried samples, designed to observe reactions caused by changes in the underwater environment. This product is not intended for viewing, keeping as pets, or consumption. Please use it strictly as an educational material. The instruction manual has notes written in it. [Set Contents] ・Observation materials (dried samples) ・Dedicated case ・Dropper ※Everything in the image is included. [Features of the Educational Material] By putting the dried samples in water, you can observe the changes over time. Recommended for science experiments, independent research projects, and educational purposes. [Items to be Prepared Separately] ・Salt water (saline solution) ・Supplementary materials for the educational material (as needed) [Product Condition] No outer box / Contents only. Please understand the condition as it has been stored at home before purchasing.