Elastigirl Stretchy Slime Recipe

2 min read September 13, 2026 Laura Russell
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Make an incredibly fun stretchy slime inspired by The Incredibles™ movie and stretches just like Elastigirl! This slime recipe is so simple to make in just a few minutes and is a hit with the kids! Elastigirl Stretchy Slime makes a great party favor for an Incredibles™ Birthday Party when served in clear plastic jars with superhero stickers on them. This slime packs an even more powerful punch when combined with Jack Jack's Cookie Bars and an Incredibles™ Inspired DIY Photo Booth!

Project Time
10 to 20 min
Difficulty
Beginner
Step
1

Place 1/2 cup white glue into a disposable bowl or crafting bowl (one that you don't use for mixing food). Add some red food coloring until you reach the desired color.


Elastigirl Stretchy Slime Recipe step 1
Step
2

Mix in 3 cups of foam shaving cream. Add 1/4 cup baking soda and mix again.


Elastigirl Stretchy Slime Recipe step 2
Step
3

Add 1 Tbsp. of saline solution and mix very well. You'll notice the slime getting thicker and starting to combine. Add another Tbsp. of saline solution and mix well.


Elastigirl Stretchy Slime Recipe step 3
Step
4

Keep stirring and add more saline solution as needed. The saline solution is what makes the slime thicker and less sticky. Keep stirring until the slime starts to pull away from the sides of the bowl.


Elastigirl Stretchy Slime Recipe step 4
Step
5

If you are having kids make this slime as a party activity, then now is a good time to separate the slime and give each child a plastic cup full and a craft stick. Let them keep working the slime and mixing it with the craft stick. After a minute or two of mixing they can knead the slime with their hands until it's no longer sticky. You can also add more saline solution if it is too sticky.


Elastigirl Stretchy Slime Recipe step 5
Step
6

Once the slime consistency is good, separate the slime and place it inside clear plastic jars with lids. Add superhero stickers to the tops and fronts of each jar, then give to kids at an Incredibles™ Birthday Party! Kids will love stretching and squishing their hands in this fun Elastigirl Stretchy Slime that stretches almost as far as Elastigirl herself! 

Be sure to check out all of The Incredibles Birthday Party Ideas including the Incredibles DIY Photo Booth and Jack Jack's Cookie Bars Recipe.

Elastigirl Stretchy Slime Recipe step 6

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