* Pens and pencils: The first pens were made of metal, but plastic pens became popular in the 1950s. Plastic pencils also became popular around this time.
* Toys: Many toys used to be made of metal, such as toy cars, trucks, and trains. However, plastic toys became more popular in the 1950s and 1960s.
* Furniture: Some furniture used to be made of metal, such as chairs, tables, and desks. However, plastic furniture became more popular in the 1960s and 1970s.
* Appliances: Many appliances used to be made of metal, such as refrigerators, stoves, and dishwashers. However, plastic appliances became more popular in the 1970s and 1980s.
* Food packaging: Food used to be packaged in metal cans or glass jars. However, plastic food packaging became more popular in the 1980s and 1990s.