Science and Exploration Sets features: This set of toys is natural stones digging toy. Also they are stone collection toy for children. Made of premium gypsum and plastic, durable and exquisite. These stones also can be used as teaching tools to let kids know more about stones. Features Color: Random color Material: Gypsum Plastic Packaging size: 38 x 18 x 7cm/15 x 7 x 2.8inch and of , safe and durable for children to play. Beautiful and attractive stones, suitable for kids or archaeology enthusiasts to collect. Teachers can use these stones to let kids know more about stones. Wonderful gift for and mineral enthusiasts, geography teaching, collector. With these stones, children can share them with their playmates and play together. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia