Arnie Negrete makes magnetic slime with toothpaste and Coke.

We got a professional slime-making tutorial with the 'Queen of Slime' Karina Garcia taught "GMA" the secrets of creating the best slimes.

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

Kids can enjoy a fun jump, Chuck the Train, snacks and STEM activities, and they can learn how to make elephant toothpaste, glitter slime, lava lamps, fire snacks, volcanoes, dry ice bubbles and more ...

Slime molds are colorful, fanciful creatures. Blackberry, toothpaste, many-goblet, chocolate tube and scrambled egg slime all have interesting stories to go along with their names.

Lucy Dodson, 6, watches her chemical reaction create “elephant toothpaste” while attending the “Chemistry Challenges” class Tuesday at Longview World of Wonders.

Slime molds are colorful, fanciful creatures. Blackberry, toothpaste, many-goblet, chocolate tube and scrambled egg slime all have interesting stories to go along with their names.