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

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

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

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.

Slime tutorials topped how to make solar eclipse glasses, how to buy Bitcoin, how to watch Mayweather vs McGregor and how to make a fidget spinner.

Kids across the country are begging their parents for more glue to make homemade slime.