surprises! 
- ULTIMATE ROCK COLLECTION FOR KIDS - A perfect standalone collection or addition to any kid’s rock collection. Includes rough and polished samples of Aventurine, Rose Quartz, stunning Snowflake Obsidian, Desert Rose, Red Jasper, Blue Quartz, Pumice, and meteorite specimens as well. Makes an excellent STEM gift for girls and boys!
- GENUINE ORE - Real ore, we collected from all over the world, randomly selected 24 models to put into the Ore Christmas Advent Calendar(The image is only a reference).
- DISPLAY YOUR FAVORITES - Show off your favorite rock and crystal in the included case! Keep the rest of your treasures safely. Collect your other treasures safely, get a good opportunity to show off your friends.
- SATISFACTION GUARANTEED - The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.