I've been using Castle coloured pencils for some years and been very happy with them, thought I would go up a notch and try the Gold oil based pencils - I'm finding it quite a learning curve, they are quite different to use. The attached drawing was done on Bristol board, and I found the blending very awkward, the colours tend to stay separate, so I probably need to try them on a more textured surface. They do mix well with the wax based crayons and I used a set of children's hard pencils for ...