Glue Cornstarch Slime: Simple DIY Recipe for Homemade Fun

Glue cornstarch slime combines the simplicity of non-toxic glue with the thickening power of cornstarch to create a tactile and engaging play material.

This type of slime is not only a favorite among children but also serves as a wonderful educational tool that demonstrates basic principles of chemistry and physics.

Through the process of making glue cornstarch slime, participants learn to measure, mix, and observe changes in matter, all while honing their fine motor skills and stimulating their creativity.

A clear bowl filled with cornstarch slime being mixed with glue

Unlike many other slime recipes, the glue cornstarch variant does not require borax, a chemical that can be harsh and requires careful handling. Instead, this slime relies on the benign ingredients of glue and cornstarch, which are commonly found in households.

Simple to make and endlessly adaptable, this slime can be customized with different colors, smells, and even textures. Its malleable nature invites exploration and invention, making it a versatile substance suitable for a wide range of activities and age groups.

Key Takeaways

  • Glue cornstarch slime is educational, teaching about chemistry and physics during creation.
  • This slime is safer due to the absence of borax, using household items like glue and cornstarch.
  • It is easily customizable, promoting creativity and exploration in users of all ages.

Understanding Slime

Slime captivates many with its unique characteristics, ranging from its intriguing texture to its fascinating behavior as a non-newtonian fluid. It’s not merely a toy, but also a prime example of interesting physical properties.

Science of Slime

Slime is a non-newtonian fluid, which means it behaves differently under various conditions of pressure and stress. When at rest, it can exhibit liquid-like properties, flowing and taking the shape of its container. Yet, when pressure is applied, it can act solid, resisting force with its thicker consistency. This unusual behavior is due to the complex cross-linking of molecules within substances like glue, which is a common slime ingredient.

  • Texture: The texture of slime is dependent on its viscosity. For instance, stretchy slime is characterized by a higher viscosity, which allows it to be pulled apart without immediately breaking.
  • Stretchy Slime: Often made by adding substances like borax to glue, stretchy slime is elastic and can be manipulated without tearing.

Types of Slime

Slime comes in various forms, each with distinct textures and characteristics.


  • Fluffy Slime: Incorporating shaving cream into the slime mixture increases its volume, resulting in a lighter, airy texture. This type of slime is soft to the touch and less sticky.



  • Oobleck: A type of slime made with cornstarch and water is known as oobleck, named after the Dr. Seuss book. This mixture behaves like a solid when under pressure, such as when trying to grab it quickly, but runs like a liquid when allowed to flow freely.


By understanding the science behind slime and its different types, enthusiasts can better enjoy and even create their own slimy concoctions.

Slime Ingredients

A bottle of glue and a bowl of cornstarch sit on a table, ready to be mixed into slime

Creating slime is a simple chemistry project that can be accomplished using a variety of household items. The following sections outline the specific ingredients used in making glue cornstarch slime, detailing the primary components, as well as optional additives for enhancing texture and color.

Primary Ingredients

  • Cornstarch: The backbone of this slime recipe, cornstarch acts as the thickening agent that provides the non-Newtonian fluid characteristic of slime.
  • White Glue: A crucial ingredient, white glue contains polyvinyl acetate, which helps in forming the slime’s gummy texture.

To create the base slime, one generally mixes approximately three parts cornstarch to one part white glue.

Additives for Texture and Color

  • Water: Sometimes added in small amounts to adjust the consistency of the slime.
  • Food Coloring: A few drops of food coloring can transform the slime into any color of the rainbow.
  • Contact Lens Solution: Contains boric acid and is often used as an activator to help slime achieve its final texture.

Other additives like glycerin can be used for additional smoothness, or baking soda to fine-tune the firmness of the slime. For sparkle and flair, glitter is an excellent choice, while additives like body wash or lotion can be included for a unique scent and extra elasticity.

Cornstarch Slime Basics

Creating slime with cornstarch offers a user-friendly crafting experience, ideal for individuals seeking a non-toxic alternative to traditional slime. Its unique properties cater to those with sensitive skin, and the process involves simple household items and clear instructions.

Cornstarch Slime Properties

Cornstarch slime is known for its thick, non-Newtonian fluid properties, meaning it acts as a solid under pressure but flows as a liquid when left undisturbed. This distinctive texture results from the cornstarch particles that are suspended in the mixture. When crafting cornstarch slime, it is essential to achieve the proper ratio of cornstarch to slime activator to ensure the desired consistency.

  • Ingredients: Cornstarch, slime activator (often a combination of water and a binder like glue or contact lens solution)
  • Texture: Opaque, thick, and moldable when at rest; stretches and flows when manipulated
  • Color: Typically white but can be customized with food coloring

Benefits of Cornstarch Slime

Cornstarch slime provides several benefits, especially for those with sensitive skin or looking for a safe crafting activity for children.

  • Hypoallergenic: The gluten-free nature of cornstarch is gentle on sensitive skin.
  • Easy to Clean: Unlike traditional slime, cornstarch slime tends to be less sticky and easier to clean from surfaces and fabrics.
  • Customizable: One can tailor the slime’s texture and color to their liking, using various household ingredients.

The process for how to make slime with cornstarch can vary, with many recipes suggesting a blend of cornstarch with a craft glue to create a simple slime activator. Adjustments can be made to the cornstarch slime recipe to alter its texture or viscosity. For individuals with sensitive skin, cornstarch slime offers an excellent alternative for creative play without harsh chemicals.

Slime-Making Equipment

A table covered in glue, cornstarch, and various slime-making equipment

Creating the perfect batch of glue cornstarch slime requires precise measurements and thorough mixing. The reader should ensure they have the proper tools on hand for an efficient and mess-free slime-making experience.

Measuring Tools

Measuring Cups and Spoons: Precise proportions are essential for consistency in slime. A set of measuring cups and spoons will ensure the correct ratio of glue to cornstarch. Typically, recipes suggest one part glue to three parts cornstarch, so varying sizes of cups and spoons can be helpful.

  • For glue: Use a 1/4 cup measuring cup.
  • For cornstarch: A range from 1/3 cup to 3/4 cup may be needed, depending on the slime consistency desired.

Mixing and Storage

Mixing Bowl: A sturdy mixing bowl is central to combining your slime ingredients. It should have enough room to allow for easy stirring without spilling ingredients over the sides.

Spoon or Spatula: A spoon or spatula is necessary for mixing the slime ingredients. One needs to scrape and combine the elements together thoroughly to achieve a smooth texture.

Airtight Container/Plastic Bag: Once the slime is made, it should be stored in an airtight container or a resealable plastic bag to keep it from drying out. These containers also make for easy cleanup and convenient storage.

Step-by-Step Slime Creation

Creating slime with cornstarch and glue is a simple yet enjoyable process. By following these specific steps, one can make a non-toxic, sensory-friendly toy that provides hours of fun.

Mixing the Ingredients

First, gather all the necessary slime ingredients including cornstarch, white school glue, and optional food coloring for a splash of color. The basic slime recipe starts by pouring a defined amount of glue into a mixing bowl. The typical ratio is about 1 part glue to 3 parts cornstarch. If color is desired, add a few drops of food coloring to the glue and mix thoroughly to ensure an even color distribution.

Begin to slowly incorporate the cornstarch into the mix. It’s important not to rush this step as it affects the consistency of the final product. Stir continuously and observe how the concoction starts to thicken into a slime-like substance.

Adjusting Slime Texture

Adjusting the texture is key to achieving the perfect slime. If the mixture is too thick, one can add a little bit more glue to soften it. Conversely, if it’s too runny, additional cornstarch is required to thicken it up. This process may need to be repeated several times to obtain the right viscosity.

While mixing, one should notice the transformation from a liquid to a more solid form. It’s important to knead the slime thoroughly to get a uniform consistency. One knows the slime is ready when it pulls away from the sides of the bowl cleanly.

The resulting slime should be stretchy and moldable, suitable for a range of fun and engaging activities. Remember that each batch of slime may behave slightly differently, so do not hesitate to make minor adjustments to the quantities of ingredients to perfect the recipe.

Additional Slime Variations

A table with containers of glue and cornstarch, surrounded by colorful slime in various textures and consistencies

Exploring variations of slime recipes can provide safer options for those with sensitive skin and even create edible delights for sensory play. These adaptations ensure that everyone can enjoy slime making and playing.

Sensitive Skin Alternatives

For those with sensitive skin, traditional slime ingredients can sometimes cause irritation. An alternative recipe might use purer forms of glue or even non-glue binders. Instead of the conventional borax or laundry detergent activators, one can opt for baking soda and saline solution which are gentler on the skin. For further information, explore how to make slime without harsh irritants.

Edible Slime Recipes

Edible slime recipes are a fantastic craft idea to engage children in playful, sensory experiences that are safe if accidentally tasted. These slimes are typically made from kitchen ingredients such as corn syrup, sweetened condensed milk, chocolate, or gummy candies. While these slimes are edible, it’s essential to manage portions as they are not meant for consumption in large quantities. For detailed recipes on how to concoct your own edible slime, one might want to try slime that is safe to taste.

Usage and Storage Tips

A hand squeezes glue into a bowl of cornstarch, mixing to form a thick slime. Store in a sealed container for future use

Properly managing homemade slime’s lifespan and storage is crucial. It ensures not only the safety and cleanliness of the play area but also maximizes the enjoyment of the slime.

Extending Slime Lifespan

Slime’s playability depends on its moisture content. To keep the slime from drying out, one must make sure it’s sealed in an airtight container after each use. The slime should not be left out in the open air, as it will lose moisture and become brittle. Occasionally checking the consistency and kneading the slime can also help maintain its texture.

Best Practices for Slime Storage

Storage is straightforward but essential in maintaining slime quality. Homemade slime should be stored in a container that is both airtight and rigid to prevent it from drying out and getting misshapen. Containers should be labeled, if necessary, and stored at room temperature away from direct sunlight. When storing multiple slimes, keep them in separate containers to avoid mixing colors or textures.

Safety and Precautions

A table with cornstarch, glue, and safety goggles. Labels for precautions and instructions

When engaging in the creation of glue and cornstarch slime, it is crucial to prioritize safety measures to protect against potential risks. This ensures a secure and enjoyable experience for everyone involved.

Allergy and Skin Sensitivity

Sensitive skin may react to the components used in making slime. Cornstarch and glue are generally safe, but it is advisable to conduct a patch test before use, especially if one is prone to allergic reactions. Handling non-newtonian fluids such as slime should be done with care to avoid skin irritation.

Toxicity and Ingestion Risks

While cornstarch is non-toxic, other additives like borax powder must be handled with caution due to their potential toxicity when ingested. Slime should also not be ingested under any circumstances. It is important to keep slime away from young children who may inadvertently put it in their mouths, and to ensure hands are washed thoroughly after handling.

Creative Applications

A hand squeezes a bottle of white glue into a bowl. Cornstarch is added, creating a thick, gooey slime. The mixture is stirred vigorously, creating a slimy, stretchy substance

In the world of DIY and crafts, glue cornstarch slime isn’t just for play. It also holds potential for educational purposes and can be a versatile material for home decor and artwork.

Educational Projects

Glue cornstarch slime can be both fun and educational for students. They can learn about basic chemical reactions between the glue and cornstarch, turning liquids into solids.


  1. Science Experiments: Teachers can plan science-related activities where children make slime while discussing states of matter. Slime transitions from a liquid to a non-Newtonian fluid, which provides a tactile experience to demonstrate scientific principles.



  2. Tactile Learning: Slime can be incorporated into sensory play. Adding elements like beads or glitter can facilitate discussions about textures and sensory responses. This is especially effective for younger children who learn through hands-on activities.


Home Decor and Art

Besides educational projects, glue cornstarch slime serves as a fun and unusual medium for artistic ventures and decor at home.


  1. Vases and Planters: One can coat plain glass vases or planters with colored slime for a unique touch. As the slime dries, it leaves behind a textured coating that can be further embellished with ribbons or paint.



  2. Custom Wall Art: Homemade slime, when mixed with colorants or even household items like shampoo or body wash for a desired consistency and sheen, can be used in creating expressive wall art. Artists may draw with the slime directly or use it as a medium in mixed-media installations.


Through these applications, glue cornstarch slime transcends its status as a simple kid’s toy and becomes a tool for discovery and creativity. Whether in a school setting or as a part of home aesthetics, its uses are only limited by one’s imagination.

Frequently Asked Questions

A bottle of glue, a box of cornstarch, and a mixing bowl on a table. A hand reaching for the ingredients

In this section, readers will find answers to common questions about creating slime using cornstarch, providing clear guidance on different recipes and techniques.

What are the steps for making slime with cornstarch and shampoo?

To make slime with cornstarch and shampoo, one starts by combining equal parts of shampoo and cornstarch in a bowl, then mixing until reaching a dough-like consistency. Additional shampoo can be added if the mixture is too dry.

How can you create stretchy slime from cornstarch and glue?

Creating stretchy slime from cornstarch and glue involves adding the cornstarch to the glue gradually, maintaining a ratio of roughly 1 part glue to 3 parts cornstarch. Mixing thoroughly until achieving the desired stretchiness is key.

What is the outcome of mixing Elmer’s glue with cornstarch?

When mixing Elmer’s glue with cornstarch, the outcome is a non-toxic, pliable slime. This mixture forms a fun and moldable substance, ideal for tactile play and sensory exploration.

Can slime be made without borax using cornstarch and conditioner?

Yes, slime can be made without borax by using cornstarch and conditioner. The two ingredients are mixed until they form a stretchy and smooth consistency, offering a safe alternative to borax-based slime recipes.

What are the ingredients for two-ingredient cornstarch slime?

The two ingredients for cornstarch slime are cornstarch and a second ingredient, such as shampoo or conditioner. These basic components are combined to create a simple and easy-to-make version of slime.

How is slime consistency affected by adding cornstarch to glue?

Adding cornstarch to glue increases the viscosity and thickness of the slime, resulting in a firmer texture. The amount of cornstarch added allows for control over the consistency, enabling a range of slime textures from runny to dough-like.

About the author
Piper is a seasoned parent who has been through the ups and downs of raising toddlers. As a writer, she shares her experiences and offers practical advice to help other parents navigate the challenges of parenthood.