Rock Cycle Classroom Project This hands-on project enables students to examine and identify individual rock specimens as a study unit in Earth Science. A graphic representation of how the major families of rocks form the dynamic process called the rock cyMega Hockey Replacement Stick Description Up to 36 players at once! Six teams, 12 goals, and as many as 36 players at one time! ABS plastic sticks. 36″” L. SPECIFY COLOR: Red, Blue, Purple, Yellow, Green, or Orange.