Christmas Theme DesignMinerals Advent Calendar 2022 is uniquely designed. It has grids for kids to play with. Kids can start playing the game from the first day of December until Christmas. Create AttractionOre Christmas Advent Calendar 2022 contains 24 rocks, gemstones, minerals, and specimens (which may contain the same stones or stones not shown in the picture), so kids can take out a stone from the grids every day, which will create a lasting attraction for kids. Interactive DesignGemstone Advent Calendar not only increases the interaction with children but also mobilizes them. Better than other simple and boring digital countdowns. Perfect GiftRock Mineral Advent Calendar 2022 is a special calendar for counting the days of Advent in time for Christmas and is a perfect gift for adults and children. Have Fun2022 Advent Calendar provides a fun way, the closed packaging increases the interest of children and allows children to develop patience and creativity in the play. Description: Kids love rocks, gems, and fossils, and this exciting Christmas countdown calendar will give them a new specimen to add to their collection each day as the holiday approaches. Specification: Material: Stone Size: about 21*16.4*5cm/8.27*6.46*1.97in Product list: 1* Ore Christmas Advent Calendar 2022 (contains 24 ore specimens) Notes: Due to the lighting effects and shoo ting angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.