he had accumulated better than thirty of them in his four years on the earth , an extensive collection which ranged from the seventy-nine-cent plastic jobs that his dad sometimes bought him at the bridgton pharmacy where he always got time magazine on wednesday evenings ( you had to play carefully with the seventy-nine-cent trucks because they were made in taiwan and had a tendency to fall apart ) to the flagship of his line , a great yellow tonka bulldozer that came up to his knees when he was standing .