Well, This is a Bit Special! Giving little engineers the ultimate magical build-up to Christmas with the construction diecast vehicle set Advent Calendar. This is a kid's advent calendar with a difference, not only do little ones get the usual thrill of opening a door and getting a surprise each day, but they can also build their own world of construction vehicles. The set will keep them busy with imaginative play for hours and will help them promote the ability of construction vehicle sorting. It can cultivate the coordination of kids' hands and eyes. It is easy to carry and can be used outdoors. Alloy Material & Perfect simulation: The main structure is made of alloy which is not only high quality but strong and drop-resistant. Kids will love the wide range of construction vehicles and will be able to work on shape recognition, and fine motor skills as they dig, push, and pull through sand and dirt. Most Popular Christmas Gifts: The big day is nearly in sight -- kids can countdown to Christmas 2023 with the fun calendars.