Count. Wild week refers to the messy surroundings, postcards on pdd, other surroundings, unauthorized, official and unofficial. Hard periphery, such as twisted eggs, elevators, models, stickers, and manual collections, is called hard periphery, which is of little practical value and is more expensive; In addition, common products with certain practicability, such as stationery, clothing, key chains, mobile phone chains, etc., which are made by borrowing an animation image, are called soft peripherals, which are relatively cheap.