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Learn to make different types of slime, gak, gunk, putty, floam, and ooze.

Ectoplasm Slime for Halloween

You can make this non-sticky, edible slime from two easy-to-find ingredients. It can be used as ectoplasm for Halloween costumes, haunted houses, and Halloween parties.

Slime Step-By-Step Instructions

Slime is easy and fun to make, plus it only requires glue, borax, and water. Here are step-by-step instructions for making classic slime, complete with photos.

Slime Recipe

There are lots of recipes for slime. Since most recipes are easy, look for one using ingredients you have on hand.

Bouncing Polymer Ball

Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the charactertistics of the bouncing ball.

Electroactive Slime Instructions

This recipe makes cool, non-toxic slime that appears to have a life of its own!

Fake Snot

This is a gooey, gross variation of the traditional slime recipe, great for Halloween and other occasions requiring snot.

Floam Instructions

Make your own version of Floam, a type of slime that contains polystyrene beads so that you can mold it into shapes.

Fruity Putty

These are step-by-step instructions on how to make fruity putty.

Glow in the Dark Slime

What is better than regular slime? Slime that glows in the dark, of course! This is an easy and fun project that is suitable for kids.

Goo Recipe

Make squishy non-toxic goo that hardens in your hands when you squeeze it, but flows like a liquid when you pour it.

Goo Slime Recipe #2

Goo slime is a type of slime that flows when you pour it, but hardens when you squeeze it. Goo is non-toxic and easy to make using two common household ingredients.

Gunk Recipe

This is sort of like slime, but drier and very non-toxic if left uncolored.

Koolaid Playdough

This recipe results in an edible, fruit-scented playdough.

Metamucil Flubber

This recipe makes a non-sticky sort of 'rubber' or gelatinous slime.

Oobleck Recipe

Learn how to make Oobleck, a type of slime that has properties of both liquids and solids.

Radioactive-Looking Slime

The slime you might find in a real Mad Scientist's lab would probably be the result of some horrible genetic mutation. You can make slime that looks radioactive and toxic, yet is actually easy to make and safe. Here's how you do it.

Silly Putty

Learn about the history of Silly Putty, how it works, how to make your own, and what you can do to explore the interesting properties of this viscoelastic liquid.

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