'Queen of Slime' gives professional slime-making tutorial Karina Garcia, the "Queen of Slime," taught "Good Morning America" how to make slime.

You can quickly and easily make slime at home using glue, baking soda, water, and contact lens solution. Fluffy slime and cloud slime are also simple.

Some slime-makers have come up with substitutes for the harmful cleaner, uploading YouTube tutorials of safe ways to make the toy.

People have even set up shops and started selling the stuff – the slime world is a booming industry, apparently. If you want to get in on the trend, here are 12 of the best tutorials out there.

Is This Slime Safe? Borax is a popular ingredient for making slime, but beyond my own negative experience with stinky borax-based slime, there is cause for concern in using Borax to make slime.

This Halloween, learn how to make your own Ghostbusters-style ectoplasmic slime with this DIY video tutorial from the Official Ghostbusters YouTube channel.