Their thick, sturdy shape makes these crayons less prone to breakage compared to traditional stick crayons, and their broad surfaces allow for large, bold strokes, making it easier for children to fill in large areas with color. The various edges of the block allow for different line widths and techniques, while also being forgiving and allowing for easy blending and shading. Our crayons are made with organic beeswax & are petroleum and paraffin free. Our crayons are handmade in small batches in the USA from organic beeswax and are petroleum and paraffin-free.