Advent Calendar 2026 Toy Building Kits: This is an advent calendar with Christmas tree building blocks designed for countdown to Christmas. The building blocks contain 24 numbered boxes, a total of 696 pieces. You can assemble 1 box each day, add a new piece each day, and have a complete Christmas tree building kit on Christmas Eve. Fun to play: Each model has a colored instruction. This building kit comes with 696 blocks that can build 24 small models, and 24 small models can be assembled into a large Christmas tree. Perfect for Christmas countdown: Our advent calendar will improve your child's concentration and patience as they build these dry blocks. The Christmas advent calendar building blocks are a unique and fun creative gift. It combines the traditional Christmas advent calendar with playable building block elements, giving the recipient a double surprise. Safety and Durable Material: Our Christmas tree advent calendar for kids is made of durable recycled ABS material, non-toxic and odorless. Advanced cutting process made each part of the advent calendar Christmas building kits for adults firmly connected, the surface of the Christmas building block feels smooth, no burrs. The building blocks meet all safety standards.