Eight classes of South Elementary second graders in Lamesa cracked the case of what it takes to keep an egg safe during a 20-foot drop onto an asphalt parking lot.The students each worked to insulate their own raw egg from the effects of a fall. They utilized layers of tape, cardboard boxes, plastic containers, bubble wrap, balloons, confetti, stuffed toys and makeshift parachutes to protect their oval passengers from breakage.It was all part of the annual Humpty Dumpty Egg Drop held Thursday morning in the school parking lot.“They’ve done this every year,” said second grade teacher Rebecca Mince. “It’s just ...