What year was slime invented and how?

Slime was invented in 1976 by a toy company called Mattel, initially marketed as "Slime." The product was created using a combination of polyvinyl acetate and a thickening agent, which gave it its unique gooey texture. It gained popularity as a fun, tactile toy that could be stretched and molded. Over the years, various versions and recipes for slime have emerged, leading to its resurgence in popularity in recent years.