Nate had a blast coloring hot rocks recently. We got the idea from this great blog:
Then we found the same idea in this fun book on Summer Crafts.
If you'd like to try it, here's how:
Find a smooth, fairly flat rock and put it in the oven at 450' (we used a toaster oven) for about 15 to 20 minutes. Carefully remove the hot rock (place on a heat-proof surface) and color with crayons (we discovered it helps to remove any paper on the crayon first). Use crayons that aren't too small because they can melt fast! Be careful not to touch the rock with your bare hands!
Nate's rock was steaming when he first started working on it and he loved how the waxy crayons melted and sizzled. The rock retained the heat for quite awhile; he was extremely careful and knew to touch the rock with his crayons only. Fun stuff!
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