Prang Eco-Friendly Soy Based Crayons are made from a unique soybean oil formulation. Each crayon is made from 100% renewable resources and does not include paraffin wax. This formula makes these crayons brighter and smoother than ordinary wax crayons. Crayons come in a tuck box and are nontoxic.
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Kristann: a few months ago
I bought these because they are environmentally-friendly and non-toxic - very affordable for a "specialty" product like this. While the box does have 16 crayons, many of these are duplicates of the most commonly used colours, which is great. I did find that the crayons "flaked" a bit - kind of like little bits of eraser. I don't remember other crayons doing that the same way - but easily brushed off the drawing. That's the only reason I'm giving these a 4 out of 5. Otherwise very happy with the purchase.