Features: Celebrate the 2025 Christmas countdowns with our National park Advent calendars, blending 24 days of daily surprises with sustainable recycled paper and sturdy acrylic for sustainable holiday tradition. Featuring nature inspired designs of symbolic park landscapes, this reusable calendars combines easy tool release assembly with sturdy interlocked panels for hassle release setup and year after year use. Ideal for sustainable families and outdoor enthusiasts, this interactive calendars engages children with daily discovery while promoting environmental awareness through its sustainable construction. Display it as festival wall art in living rooms or educational decors in classrooms, bringing wilderness charm to holiday celebrations while sparking conversation about national park conservation. From cliff to geysers, each numbered window reveals bright park themed artwork and nature fact, creating memorable family ritual during the Christmas anticipation period. Specifications: Materials: Paper + Acrylic Box Size:Approx. 30x20x3cm/11.81x7.87x1.18inches Pendant Size: Approx.3x3cm/1.18x1.18inches Package Includes: 1 Set National Park Theme Adventure Festival calendars note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!