Hot Rocks, a kids craft idea.

by Tanya on December 9, 2013



Our kids attend a home-schooling co-op once weekly. They love this co-op, it’s full of fun non-academic workshop-like classes such as Robotics, Yoga, many forms of arts, dance and music. Our daughter Addy chose to take Metal Working/Jewelry Making and Garden Art this semester. This week in Garden Art they made Hot Rocks where they took smooth river rocks, heated them up and melted crayon on them to create magical rocks to use as paper weights, garden decor, etc.

To heat the rocks up you simply place them in a heated oven or toaster oven until hot.

Using tongs, carefully remove them from the oven and place them in a crumpled piece of aluminum foil or trivet you don’t mind getting melted crayon on.

More groovy rocks!

More groovy rocks!

Then, use crayons to decorate. They melt on contact so it gets really groovy!  We used the ones that have a sparkle in them.  They don’t stay shiny once dry, just colorful.

We haven’t tried it yet, but I’m going to paint over the top with a clear sealant once dry and cool to see if we can get them to shine forever.


Please share the LOVE:-)!

{ 2 comments… read them below or add one }

Laurel January 26, 2014 at 7:58 pm

So beautiful. I’m wondering if the rocks get hot enough to burn the skin. Is this something I can do in the classroom?
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Tanya January 29, 2014 at 10:32 am

Hi Laurel. They get very hot. An adult moved the hot rocks back and forth with tongs! Very doable, just be careful.


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