PURPOSE: Provided is a door of wisdom which makes 12 different doors in a sensor net and directs 12 people to pass each door one by one without touching the sensor net so that it records total pass time to evaluate teamwork. CONSTITUTION: The door of wisdom comprises the parts of: an assembly frame which includes 14 assembly sets and a bolt and a nut to tighten two connection poles(3,4,5,6,11,12,13,14); a sensor net which uses an '8'-character ring(43) to adjust the size and the shape of 12 doors and two elastic springs and a tightening metal to distribute force of line; and a circuit system which includes a main switch, a relay switch and a warning lamp switch(32).
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