Where did it come from? Originally a toy manufactured by leading retailers Mattel, slime first came onto the scene in 1976 and was made primarily from guar gum, a powdered product extracted from guar beans.

Who first invented slime?

Slime was invented by Mattel Toys in 1976. While creating slime, the toy company wanted the oozing substance to be gross as possible. Thus, slime was first created as a light green material which you could find in a little green trash can.

How did they make slime?

Slime is a unique play material composed of a cross-linked polymer. It is classified as a liquid and is typically made by combining polyvinyl alcohol solutions with borate ions in a large mixing container. It often has an unpleasant odor, a green color, and is cold and slimy to the touch.