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Remold Oil Pastels / Crayons into Colorful Star Pastels

Remold Oil Pastel Or Crayon Into Colorful Stars

Materials & Tools:
1. Broken Oil Pastels or Crayons [Non Toxic]
2. Star TPE or Silicon Rubber Ice Mold
3. Petroleum Jelly (Vaseline) or mineral oil or butter
4. Cotton Swab (Q-tips)
5. Craft Knife
6. Tweezers
7. Oven

Note: 100% oil pastel is soft and fragile, so the star might break during the process of pushing it out from the mold.
A 70%/30% mixture of oil pastel and crayon produces a stronger bond, the success rate is higher with mixture of crayon. The higher the % of crayon, the higher the success rate in remolding.
When Crayon melts, the color pigments will set to the bottom while the wax float to the top. The color pigment at the bottom resemble the texture of oil pastel.

Get ready all the materials and tools. I stole my son’s oil pastels and crayons where he stripped them to naked, that’s why you can see that they are all coated with all sorts of colors.

Wipe a thin layer of petroleum jelly on the star mold with cotton swab. Pay particular attention to all the tips of the star.
You can skip this step if using 100% crayons, but no harm lubricate the mold, since it will make the stars come out easily.

Cut and chop the oil pastels and crayons into smaller pieces.
Place bigger chunks of crayons into the mold first, especially the tips of the star. Fill the gaps with smaller pieces and remaining debris.
It can be a color for each tip, or a random mix.

To get the shades of tones for your star pastel, you can premix some color shades before putting them into the mold.

Press the oil pastels and crayons down, fill the mold slightly higher.

Place the mold into a cold oven, heat it up to 100°C / 212°F for 10 minutes.
Keep an eye on the oil pastels and crayons while they are melting. You will be surprised how fast they start to melt.
Don’t increase the heat and thinking of melting the oil pastel faster, it is dangerous as you might cause toxic fume to release from them.

The oil pastels and crayons start to melt and sunken into the mold to fill all the gaps in between.
You can add some pastels to fill in for the height.

After they are fully melt, they form a shinny molten.
A layer of transparent wax will float to the top if crayons were added into it.
Keep the mold in the oven with door open for about 10 minutes to let the bubbles release from the molten. Poke bubbles when they surface to the top.

Let them harden by either transfer the warm mold into the freezer or leave it at room temperature to set for about 2 hours or overnight. 100% oil pastels harden quite fast.
Gently separate the sides of the star by pulling the mold away. Push the star out from the mold.

Some of the perfect star pastels successfully molded.

Sometimes it is not easy to remold a 100% oil pastels, it is soft and fragile, breakage can happen especially on the thin tip of the star.

But if some crayons (at least 30%) are added into the oil pastels, it will improve the success rate in no time.
The wax will float to the top (the thin opaque layer) that enhance the bond, while the color pigment sink to the bottom.

Enjoy doodling and scribbling with the star pastels!

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