Little Cooper Krebs, 2, of Jim Thorpe, waves bye-bye Tuesday morning as he tries his hand at being a train engineer, make believe-style, aboard the Atlas Powder Company display lokie near the Tamaqua train station. It was just one of many adventures for Krebs, who spent a few days visiting his grandparents, Dean and Leslie Confer, Tamaqua.  DONALD R. SERFASS/SPECIAL TO THE TIMES NEWS