【S065】Experiment Kit: Color-Changing Water - Let's make mysterious water that changes from yellow/red to blue! Educational, Experiment #sachi's Educational Series ♥ Instant purchase without comment OK ♥ ♥ Change to Mercari delivery (with insurance) is +100 yen ♥ This item will be shipped via regular mail. After shipping, in the event of non-arrival or postal accidents, I cannot provide any guarantee or support. Please rate the item as received even if it does not arrive. Recently, regular mail has been delayed, so I recommend Mercari delivery. Mysterious Experiment Kit Let's make mysterious water that changes from yellow/red to blue! Easy experiment kit. As a task for free research or self-study Also, as a communication tool for parents and children How about it? You can enjoy learning through a mysterious experiment. #ExperimentKit #MysteriousWater #Science #EducationalToy #Toy #Experiment #Education