Fluorescent Slime

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Fluorescent Slime


Who’s ready for slime time?! Slime, gak, goo, flubber – whatever you call it, it’s all fun no matter what! It only takes a few minutes to make and it’ll keep the kids entertained for well longer than that!


  • 2 tsp Borax
  • 4 oz (1/2 c)  White Glue
  • 2 tbs Fluorescent Paint
  • 1 c water
  • 1/3 c warm water (warm water helps dissolve the borax)
  • 2 mixing bowls
  • Zip-lock bag or air tight container for storing your slime



Step 1: In a bowl, mix together the glue and 1/3 c water.

Step 2: Add the fluorescent paint, stir until the color is completely mixed in. Set aside.

Step 3: In a separate bowl, mix together the warm water and borax. Stir until the borax is dissolved.

Step 4: Slowly stir the borax mixture into the glue mixture. *You must continuously stir the glue mixture as you add the borax solution. Continue adding the borax solution until you reach your desired consistency. You probably won’t use all of the borax mixture, but note that the  less borax mixture you use, the more runny the slime. Use more borax and it’s going to be much thicker and rubbery.

Step 5: Work the combined mixture with your hands until it feels dry and less sticky.

Let slime time begin!


  • I tried it with Ava’s school glue and it didn’t come as well as I had hoped. I tried it again with Elmer’s white glue and that made all the difference!
  • If it’s warm where you are, store in the fridge so it doesn’t get moldy.
  • In theory, the slime should last at least a month.
  • You can substitute liquid laundry detergent for the borax solution. Either way, be sure to supervise young kids so they don’t put the slime in their mouths.
  • Slime easily cleans up from fabric and furniture with warm water.


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