A geology "dig in a bucket!"        With this kit the students screen for gemstones in authentic gem bearing gravels of two geographic areas.       Kit includes:             a gallon of gemming dirt,             12 washing screens,             specimen set for six teams,             instructions and lesson plans.       Designed for a class of 25, grades 3-9.        Digging Into Science Kit   . . . . . . . . . . . . . . . . . . . . . . . $95.00       Replacement Bucket with gem-bearing       gravels for both locations  . . . . . . . . . . . . . . . . . . . . . . .$50.00