The cardboard can be made of: 1, and the gyro block cardboard and a thread can be rotated by hand, and then a decoration can be made. How to play: "Hold the two ends of the line" around "to give the line strength, and then" pull the line back and forth "to rotate.

2, 1DIY handmade: a cute little rabbit made of discarded cardboard.

paperboard

Plant fiber paperboard

Cardboard is also called cardboard. Thick paper made of various pulps and interwoven fibers. The difference between paperboard and paper is usually distinguished by quantity and thickness. Generally, paper with a basis weight exceeding 250g/m2 and a thickness exceeding 0.5mm is called paperboard (in other words, paper with a thickness exceeding 0. 1mm is generally called paperboard. Generally, a basis weight of less than 250g/m2 is considered as paper, and a basis weight of 250g/m2 or more is considered as paperboard.