Projects include: Terra Cotta Picture Frame - This project is in honor of the Terra Cotta Soldiers of the Tomb of the Emperor of the Qin Dynasty 221-206 B.C. Abacus - This is a calculating tool made of rows of beads on a rod which was invented some time in the second century B.C. Foam Dragon - The dragon represents wisdom and power in the Chinese culture, the imperial symbol of China. Tetrahedron Kite - The Chinese were the first people ever to make and fly kites. Some were designed as animals and many were very large. National kite flying day in China is in April. Symbolic Book Cover - Chinese calligraphy is an art form over 2000 years old. Lines and brush strokes represent words and letters. Emporer's Coin or Pendant. .