Yuraku Confectionery Co., Ltd. (Head Office: Kodaira City, Tokyo, President: Tatsunobu Kawai) will hold a total of four special experiential events titled "Summer Vacation Special Project! Learn the Secrets of Black Thunder's 'Crunchy' Texture with Parents and Children" at "Black Thunder Waku⚡Zaku Factory" (Toyohashi City, Aichi Prefecture), a facility where visitors can tour the Black Thunder factory. These events, targeted at elementary school children and their parents, are designed to be useful for summer vacation free research and will be held from July to August 2026. This event aims to meet the growing need for "parent-child experiences and learning" during children's summer vacation. At "Waku⚡Zaku Factory," themed around "seeing, learning, and experiencing," a special program enjoyable for parents and children will be implemented. Not only will participants tour the Black Thunder manufacturing process, but they will also learn in a fun way about the secrets behind its signature "crunchy texture." Through a special program including a factory tour guided by staff, explanations from development employees about their commitment to taste and texture, and tasting of the actual ingredients used, participants can experience the secrets of Black Thunder firsthand. This program is designed to be both fun and educational for parents and children, and can also be utilized for free research. We encourage you to participate and create summer vacation memories. ◇Event Program Factory Tour with Staff Commentary! Taste Test of Biscuit Ingredients that Create Black Thunder's "Crunchy Texture"! Special Black Thunder Grab Bag Event♪ 1. Factory Tour with Staff Commentary! Visitors can observe how Black Thunder is made from a viewing corridor along the production line. With special commentary from our staff, you can understand the manufacturing process and its innovations more easily. During the tour, you can ask staff questions about anything that interests you on the spot, all