This Christmas countdown building set turns the 24 days before Christmas into a daily building journey. Please Note: This is 3.6 mm mini Building Block Set and not compatible with major brands Christmas House 2026 Advent Calendar Building Set - Make every day of December part of the celebration! Open a numbered box each day, discover a new part of the festive scene, and watch your Christmas village grow piece by piece until the full holiday display comes together for Christmas Charming Christmas Details - There’s always something new waiting to be discovered!