Brush, bean curd, saw, waterwheel, sundial, kite, sericulture (silk), chopsticks, loom, rudder, porcelain, stirrup, arch bridge, wheelbarrow, bellows, roller, canal lock, Go, umbrella, bronze ware, iron smelting, hybrid rice (cultivated by Kangxi himself, also

The oldest timekeeping instrument in China-the kettle leak,

Geodesy-determination of meridian,

A wonderful flower in the science park-astronomical instrument invented and developed by Guo Shoujing,

Duke Zhou's sightseeing-the setting of observatory, abacus, vernier caliper, lantern (the earliest projection slide), transparent mirror, coal development and utilization, temperature observation instrument, precipitation observation instrument,

Bronze age-copper mining,

Boil the sea and collect bittern,

Be good at what you do and sharpen your tools-the invention of the iron plow,

Power-saving seeder-triangular cymbals, ploughing tools-fan truck, water conservancy irrigation machinery-keel waterwheel, ten times the benefits of crops-Sangji fish pond, the temperature of the inner garden-the soup has entered the melon in mid-February-cultivation techniques, underground channels-Karez well, looking at the color-Chinese medicine diagnosis and treatment, Huatuo anesthesia- The earliest vehicles to record mileage-the invention of hoofed chariots and warships, the world's earliest paper money-Jiaozi, Lei Zu and primitive textile technology, manual pedal spinning wheels, looms and jacquard machines, dyeing and weaving, ancient musical instruments with a long history in Oracle Bone Inscriptions and China, ancient health gymnastics in China-Wuqinxi, China Kung Fu-Wushu, ancient football in China-Cuju, and chess in China.