Lightning Science Kit &ndash; Dig Up 2 Real Fulgurites (Lightning Strike Glass) THE THRILL OF DISCOVERY  Watch your child light up when they uncover real lightning strike glass! Kids love this hands-on digging activity! GLASS TUBES FORMED BY LIGHTNING  Learn about fulgurites (glass tubes formed from actual lightning strikes) and discover many awesome lightning facts A HOMESCHOOL FAVORITE  This fun and complete science kit is the perfect stand-alone school project that boys and girls love! A FAMILY ADVENTURE  Our full-color adventure guide written by teachers (included) will take you and your child on an educational journey 100% SATISFACTION GUARANTEE - Join the millions of parents who have chosen our award-winning science toys and experience the Discover with Dr. Cool difference!