<p>This Christmas Countdown Calendar Advent Box with 24 Engineering Vehicles is the most popular holiday gift choice this year<br />Featuring innovative advent calendar design, children can open one numbered blind box each day from December 1st, receiving different engineering vehicle surprises that fill the entire Christmas season with anticipation and joy The set includes 24 exquisite pull-back engineering vehicles covering various construction equipment commonly seen on job sites, each vehicle meticulously designed with realistic details and vibrant colors Pull-back spring mechanism allows the toy cars to move with a simple push, no batteries required, environmentally friendly and safe, enabling children to freely create various construction scenarios and unleash unlimited imagination Made from high-quality ABS materials and undergoing rigorous safety testing, ensuring every toy meets international safety standards for complete parental peace of mind Beautiful airplane box packaging design not only facilitates storage but also serves as Christmas room decoration, adding festive cheer to your home Whether as a Christmas gift, birthday present, or daily reward, this engineering vehicle countdown calendar blind box delivers continuous surprises and happiness to children</p>