Liquid Rainbow Resin Coaster DIY

7 Materials
24 Hours

I've been trying to trap liquid in resin and I finally did it successfully!

Learn how to make a liquid resin coaster! See above for the quick video tutorial, so you can see exactly how I did it!

You need to find clear straws and cut them to size, to fit into the coaster mold.

Using a lighter and pliers, you need to melt one end.

Then using an eyedropper, partially fill up the straw with water that is colored with food color.

Seal the other end the same way - with the lighter and the pliers. Then repeat with the other straws and colors.

Pour one ounce of resin into the mold. Pop bubbles with a lighter.

Then start to add your filled straws.

Let that cure a minimum of 12 hours. By allowing it to cure, it will keep the straws in place, so they won't float when you add the next layer of resin.

Then add one to two ounces of resin.

Pop the bubbles and allow it to cure at least 12 hours.

Then you can remove it from the mold and the liquid moves around in the straws!

Here is a another fun coaster you might enjoy!

Remember, you can find full written directions at the link below, with links to materials.

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Want more details about this and other DIY projects? Check out my blog post!


Have a question about this project?

3 of 26 questions
  • Lottie Crafts
    on Mar 18, 2019

    Im asking the same question as GmaB. What do I use for a mold? Or what can I use for a mold? Does it have to be a silicone mold?

    • Sheila McKean Bagg
      on Mar 19, 2019

      It looks to me like the molds are just silicone baking "pans" like for cupcakes, etc. You can find them in a variety of shapes on Amazon, Walmart, etc. I have heart-shaped ones for Valentine's Day.

  • Haymur
    on Apr 2, 2019

    first, there is no link in description to see technique used for liquid phone case, second, did you use anything besides water to mix w food coloring, because when I do this, and seal both ends, the colored water does not move around in the what gives, what am i doing wrong.

    • Arnavaz
      on Jan 14, 2020

      You sent have to fill the straws up to the rim keep it half filled.

  • Leslie Dorman
    on Sep 2, 2019

    What am I doing wrong, the liquid inside does not move around, just stays in one place.

Join the conversation

2 of 86 comments
  • Lacey
    on Oct 19, 2019

    I just loved watching you make these! I am going to try them now 🤗

  • NancyO
    on Dec 18, 2019

    I love this idea and will try it out making hot pads for use at the table. Wonderful flexibility as to patterns and colors!

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