* New, unused item * Shipping included * If you purchase multiple items, we offer a bundle discount. ◉ 2 items - ¥50 ◉ 3 items - ¥100 ◉ 4 items - ¥150 ◉ 5 items - ¥200 This cannot be done after payment, so please comment before purchasing. How about for friends, seniors, or teachers? We think it will be irresistible for science professionals and students in fields like chemistry and biology. We hope you can feel proud of your specialty and enjoy it. It's also lovely to remove the charm and attach it to a nameplate as an accent. Keychain, key holder, chemistry, biology, atomic model of DNA We hope to help everyone's individuality shine through Mercari. * Please note that due to being an overseas product, there may be bumps, protrusions, uneven coloring, color transfer, pinholes, dots, air bubbles, roughness, etc., but these are characteristics of the manufacturing process, so please understand.