Pottery was a critical skill in the ancient world, providing cooking pots, vessels for food and water storage and opportunities for creativity.
Legend has it that Empress Si Ling Chi discovered silk when a silkworm moth cocoon fell from a mulberry tree into her tea. After some experiment, she finally managed to weave the silk filament into a piece of fabric.
Previously horses were attached to vehicles by straps around their necks. The horse could not pull a heavy load because the strap would constrict its neck! The horse collar allowed horses to pull much heavier loads.
Chinese jump rope is a game played by many children, using an elastic rope that is tied in a circle. Two players stretch the rope out around their ankles while the third performs a jumping pattern within it.