Specifications: Material: Cardboard Size: 28x26x5cm Color: Multicolor Package include: 1box Features: Advent Calendar Puzzle: New Exclusive Design Green Monster Advent Calendar 2023 Puzzle is limited supply.The exquisite package includes 24 small boxes,in which each box holds puzzle pieces and you can open them one by one from Dec.1 to Dec.24.Each day reveal a part of the puzzle and we assembly them gradually for the goal of combining them to welcome Christmas at Christmas Eve. Surprise for All Ages: This advent calendar puzzle promises to give puzzle fans hours of enjoyment and satisfaction,whether you're an expert puzzler searching for a difficult task or a beginner wishing to start on a fun puzzle-solving adventure.For kids,our products can cultivate their patience and attention; For the elderly,it can prevent Alzheimer's disease to a certain extent while playing jigsaw puzzles frequently. Variable Assembly Difficulty: The back of each piece has an exact number for you through the challenging process of sequential assembly,thus this puzzle set is made to caters to a wide variety of ages and ability levels.However,puzzle fans also enthrall the game experience while assembling by themselves without knowing the back of each piece. Memorable Christmas Experience: Immerse yourself in an unforgettable journey which can be as a personal or a delightful family activity with this puzzle advent calendar.With meticulously crafted visuals,this experience becomes a captivating and immersive adventure,an good Christmas game.Whether individually or as a shared activity,this experience is designed to enrich and bring joy to your life.