Christmas Advent Calendar 2024 with 24 stones for girls, boys, kids, kids, adults, rolling stone [Advent Calendar]: Advent calendar with rock minerals, creative, kids can open beautiful stones and add them to their collection every day [24-Day Calendar]: Stones in 24 boxes, opened every day, show a unique and enchanting Christmas picture, making the anticipation joyful and exciting. [Design]: 24 day Christmas calendar set, prezent with 24 rocks that are suitable for collecting, but are also ideal for learning geology, an ideal learning tool. [Prezent]: stone learning kits prezent birthday Christmas for adults [Material]: Advent calendar with stones made of stone material, which is durable and resistant to long-term use. Size Chart: 21,5 cm x 14,7 cm x 3 cm/8,46 inch x 5,79 inch x 1,18 inch The package includes: 1 Set of Rock Advent Calendar