Applying mental reasoning Chang Shih-tsung is adept at finding lateral links between things, using supporting material and coming up with new deductions. Starting from a rapid-fire "chopstick gun" invented by Taiwanese kids, he began to collect toy weapons from other countries and investigate their construction and performance.
他對於立體紙雕、攝影、偶戲，也是一入門就要玩到能夠自成格局才放手。儘管藏書累累，他隨手一抽就知道要找的資料在那一頁那一行。