About the product Our Christmas Advent Calendar puzzle contains high-quality recycled cardboard. It can exercise memory, improve cognitive function, deepen connections, relieve stress and relieve anxiety. Its usage is simple: open a box corresponding to the date every day between December 1st and December 25th. Take out the puzzle pieces in the box and assemble them. Wait until Christmas Eve to complete the complete puzzle. Improve children's physical and intellectual strength and bring happiness to children. Product name: Christmas Advent Calendar Puzzle Product ingredients: high-quality recycled cardboard Keywords: puzzle Weight: 488g Product specifications: 1pcs Product size: 6.3*5*4.5cm Note: Light reflection and different monitors may cause the color of the product in the picture to be slightly different from the actual product. Slight errors are allowed in measurement.