This 24-day Christmas countdown advent calendar building block robot set brings continuous surprise experiences throughout the Christmas season for children Each number corresponds to a carefully designed blind box, starting from December 1st, opening one each day, allowing children to enjoy joyful countdown moments in anticipation The set includes 10 different theme styles: classic wooden figure designs, cool aircraft box styles, combat robots with weapons, basic building block sets, big/small head series, rainbow dream horses, magic themes, delicate elf series and more options Each blind box contains building block pieces that can be independently assembled into complete robot or scene models, manufactured with high-precision molds for smooth assembly Made from eco-friendly ABS materials with international toy safety certifications, non-toxic and odor-free to ensure children's health and safety The beautiful aircraft box packaging not only facilitates collection display but also stimulates children's creativity and imagination, making it the perfect holiday gift choice