Easy Homemade Slime Recipe

Slime is one of those activities that never gets old. It’s fun, satisfying to play with, and surprisingly easy to make at home. Whether you’re looking for an afternoon craft, a sensory activity, or a science experiment for kids, making slime is the perfect hands-on project.
Homemade slime is cheap, customizable, and endlessly entertaining. Plus, it’s a great way for kids to learn about chemistry, textures, and creativity while having a blast. Below, you’ll find an easy slime recipe, fun ways to play with it, and educational benefits that make slime more than just a sticky mess.
What You Need to Make Slime
- 1 bottle (4 oz) of white school glue
- ½ teaspoon baking soda
- 1½ tablespoons contact lens solution (must contain boric acid)
- Food coloring (optional)
- Glitter, beads, or foam balls for texture (optional)
How to Make Slime
Start by pouring the entire bottle of glue into a mixing bowl. If you want colored slime, now is the time to add a few drops of food coloring and mix it well. Once you’re happy with the color, stir in the baking soda. This helps the slime form and gives it that stretchy, moldable consistency.
Next, slowly add the contact lens solution while stirring. You’ll notice the slime starts to clump together almost immediately. Keep stirring until it pulls away from the sides of the bowl, then use your hands to knead it. If it’s still too sticky, add a tiny bit more contact lens solution—just a few drops at a time—until it reaches the perfect slime texture.
Once the slime is stretchy and no longer sticking to your hands, it’s ready to play with!
Storing Slime
Slime lasts longer when stored properly. Keep it in an airtight container or a ziplock bag to prevent it from drying out. If it starts getting stiff after a few days, kneading in a few drops of contact lens solution can help bring it back to life.
Fun Variations
Once you’ve mastered basic slime, there are endless ways to customize it. Try adding fun extras to make it more exciting and keep your kids entertained for longer.
Fluffy Slime: Add 2 to 3 cups of shaving cream before mixing in the contact lens solution for a super soft, pillowy texture.
Glow-in-the-Dark Slime: Use glow-in-the-dark glue to make slime that glows under UV light.
Butter Slime: Mix in a small amount of soft clay (like Model Magic) for a smooth, buttery feel.
Crunchy Slime: Stir in foam beads or plastic pearls for a slime that makes fun popping sounds when squished.
Scented Slime: Add a few drops of vanilla, peppermint, or fruity essential oil to make it smell amazing.
Slime Activities
Slime is a great tool for play-based learning. Here are a few creative ways kids can play with slime and get the most out of it.
Slime Treasure Hunt: Hide small plastic toys, beads, or coins inside the slime and have kids dig through it to find them. This is great for fine motor skills and sensory play.
Stretch & Measure: Have kids stretch their slime as far as they can, then measure how long it goes before breaking. This can turn into a fun math and measurement activity.
Mixing Colors: Start with two different colored slimes and let kids combine them to see what new color they create. This is a great way to teach color theory.
Alphabet Slime Stamping: Press letter beads or magnetic letters into the slime and let kids spell out words. Perfect for early literacy skills.
Slime Races: Roll slime into long “snakes” and have a race to see which one stretches the farthest without breaking.
Educational Opportunities
Slime isn’t just a fun activity; it’s an educational experience! Kids can learn important science concepts while they play.
Chemistry in Action: Making slime introduces kids to basic chemistry concepts like polymers and chemical reactions. The glue contains polymers that tangle together when mixed with boric acid, transforming it from liquid to stretchy slime.
Cause and Effect: Kids can experiment with adding more or less of each ingredient to see how it changes the slime’s texture. Does more contact solution make it firmer? What happens if you add too much baking soda? These little experiments help kids think like scientists.
Fine Motor Skills: Kneading, stretching, and pulling slime helps strengthen hand muscles and coordination, which is great for younger kids who are still developing fine motor control.
Sensory Play : The squishy, cool texture of slime is a great sensory activity, helping kids explore different textures and improve focus and relaxation.
Creativity & Problem-Solving: Kids can customize their slime with colors, scents, and textures, encouraging them to experiment and think outside the box.