ADVENT CALENDAR 2025, STEM KITS ADVENT CALENDAR FOR KIDS BOYS AGE 6-14, STEM PROJECTS ACTIVITIES 24 DAYS SURPRISE CHRISTMAS COUNTDOWN CALENDAR * 2025 Christmas Advent Calendars】This 2025 Christmas advent calendar includes 24 scientific projects. From December 1st to December 24th, you can enjoy different surprise by opening a gift bag with countdown mark to discover a new surprise involve a real scientific task every day. This kids stem kit advent calendar is more attractive than traditional chocolate or candy gift boxes, adding infinite fun and anticipation to Christmas. * 【Share Fun with Family and Friends】Companionship is the most precious gift to children. As a friends or educator of your kids, parents can actively participate in their children's scientific building projects and provide guidance and advice. Completing scientific projects together not only helps maintain good family relationships, but also leaves children with beautiful and unforgettable memories, thereby enhancing parent-child relationships and promoting family harmony. * 【Educational Science Experiments Calendar】Assembling this science boys building kits advent calendar can inspire children to think actively, cultivating their hands-on and problem-solving abilities, improving their logical thinking skills, enhancing their confidence, and enabling them to fully recognize the importance of teamwork and collaboration. The endless fun building toys encourage children learn science, technology, engineering.