Adventure Keen AP37739 Rock Collecting for Kids With this book, you will experience the excitement of finding, collecting and identifying rocks and minerals. A how to section details on what to look for, where to look and what to bring, as well as safety considerations. With rock collecting guidelines that the whole family will learn from and enjoy, this fun guide is engaging and informative. With plenty of kid-appeal as it starts children on the path toward becoming successful rock collectors. Specifications Weight: 0.4 lbs