Day 51 – DIY Tub Crayons


Our little man goes through phases where he hates the tub, so I try to keep introducing new toys and games to keep the tub fun for him. Tub crayons (at least the ones by Crayola) can be expensive, so I decided to try making my own. Let’s just say there’s a reason why Crayola sells so many tub crayons!

You will need:

  • 1 cup grated Ivory soap or Ivory Snow flakes (I used Dove soap, but I think there’s a reason Ivory is recommended.)
  • Warm water
  • 4 Bowls
  • Food coloring


1. Grate a bar of soap, making one cup of soap.

2. Next, divide the cup of soap into 4 bowls, or one bowl for each color you will be making.

3. Add water and several drops of different food coloring into each bowl, and mix. How much water? I have no idea. The directions were really unclear here so I just started by adding a few drops and added more as needed.

4. Stir the mixture until the soap mixture forms a thick dough. Add more water or soap shavings to get the right consistency.

5. Once the dough is firm, shape it into crayons by hand or press it into ice cube molds. My dough never really firm so I used baby food trays. I wouldn’t recommend this. They were impossible to get out in one piece.

6. Place the soap crayons in the freezer for 10 minutes, and then pop them out of the mold. If yours don’t come out of the molds in one piece like mine, you can piece them back together. I was able to get closer to a crayon shape after they had been in the freezer.

7. Let the bath tub soap crayons dry 1 to 2 days.

Because they specify Ivory soap in the directions, I would stick with that. I have a feeling other soaps don’t work as well, which is why mine were a total failure. They crumbled when we tried to write with them.

I guess you can’t win them all…



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5 Comments… Share your views

  1. oh man, that does look like a lot of work! I did a post about a month or so ago using shaving cream and food coloring, it was super easy, and even cleaned the tub afterwards!

  2. I tried making these too, with Ivory soap as instructed. total fail. they simply don’t write, not on the tile, not on the tub, nowhere. So don’t feel bad, you didn’t mess it up with the Dove.

  3. I’ve found that bath crayons seem to do the trick for helping my tot get over the bath-hating phase when it hits (more on that here: ). However, as you mention, the cost of the crayons can add up over time. Despite the likelihood that this DIY crayon recipe probably won’t work, I still may try it:)

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