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DIY Space Slime

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I might be dating myself here, but do you remember that show, You Can't Do That on Television? ... "What makes green slime?"

I used to love that gimmick as a kid, and for a brief period between 1986 and 1990, it was my personal catchphrase.

Who knew that 27 years later, slime would be such a trend. Glitter slime, neon slime, rainbow slime... you name it, the kids are makin' it.

The first time I experimented with this icky-sticky DIY, I was skeptical. But when my kids played with that green glob of goo for TWO STRAIGHT HOURS, I realized slime-time is truly magical.

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I recently hosted 14 kids and their parents at my home to celebrate my son's fifth birthday at our very own "Space Camp" party. The highlight from the event for all the kids and grownups? Creating and customizing their own jar of slime.

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Of course with so many little ones around, I wanted to find a safe and easy slime recipe without any scary or potentially dangerous ingredients... and that's why I turned to Elmer's Glue. Their tutorial is as easy as they get and relatively safe (recommended for ages 3+).

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  • 1/2 TBSP of Baking Soda
  • 1 TBSP of Contact Solution
  • 4 fl oz Elmer’s White school glue
  • Your choice of food coloring


  1. Find a bowl, cup, or plate to mix your slime in
  2. Pour out the entire contents of a 4oz of Elmer’s school glue into the bowl.
  3. Add ½ TBSP of baking soda and mix
  4. After mixing, add your choice of food coloring.
  5. Mix and/or add more food coloring until you get the color you want
  6. Add 1 TBSP of Contact solution
  7. Mix until slime forms and it begins to get harder to mix
  8. Take the slime out and begin kneading with both of your hands
  9. If needed, add more contact solution, 1/4 tbsp at a time, to make the slime less sticky.
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We set the scene for this out-of-this-world birthday party with futuristic chalk stencils on the driveway, a festive celebratory touch to welcome the astronaut trainees to space camp.

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A galaxy backdrop was hung for our alfresco photo booth, and we offered lots of fun props for the trainees to pose with. The birthday boy, of course, got a special NASA shirt and helmet from Aeromax Toys. He loved these dress-up pretend-play accessories so much that much he barely took them off the entire party. (Imagine him eating pizza and ice cream through the open slat of his astronaut helmet!) 


More gear and goodies from Oriental Trading rounded out our party supplies and favors and dehyrated ice cream "defied gravity," so the trainees could grab one like a real astronaut in space.


Of course, five year old astronauts need plenty of activity, exercise, and stimulation. We used a rock-climbing wall as a moon simulation, and kids could put their flag in the moon once they reached the top.

A dueling rocket launcher put children to the test, and the slippery canals of mars was a major hit.


The final step of astronaut training? Space-camp relay races. "The fate of the entire universe is in your hands!"

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Finally, the space-camp trainees of summer 2017 graduated!


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