How to Make Slime That Actually Works Every Time

Learn foolproof slime recipes and troubleshooting tips to create perfect slime with your kids.

1. Gather Your Ingredients. You'll need white school glue (like Elmer's), contact lens saline solution that contains boric acid, baking soda, and shaving cream (optional for fluffy slime). Check your saline solution label carefully - it must contain boric acid to work properly. Avoid using liquid starch or laundry detergent recipes, as these are less reliable and can irritate skin.
2. Make Basic Perfect Slime. Pour 4 ounces of white glue into a mixing bowl. Add 1 tablespoon of baking soda and mix well. Slowly add 1-2 tablespoons of saline solution while stirring constantly. The slime will start pulling away from the bowl sides when it's ready. If it's still sticky, add tiny amounts of saline solution until it reaches the right consistency. Knead with clean hands for 2-3 minutes to fully activate.
3. Troubleshoot Common Problems. If your slime is too sticky, add more saline solution one drop at a time. If it's too stiff or breaks easily, you added too much activator - try kneading it longer or adding a tiny bit of warm water. If it won't form at all, check that your saline solution contains boric acid. Old glue can also cause problems, so use fresh bottles when possible.
4. Add Fun Variations. For fluffy slime, add 2-3 pumps of shaving cream before adding saline solution. For glitter slime, mix in fine glitter with the baking soda. Create clear slime using clear glue instead of white. Add food coloring drop by drop until you reach your desired color. Always add extras before the final activation step for best results.
5. Store and Clean Up Safely. Store slime in airtight containers to keep it fresh for weeks. Always wash hands thoroughly after playing with slime. Clean up spills immediately with warm soapy water. Never put slime down drains as it can cause clogs. If slime gets on fabric, scrape off excess, then wash in cold water.