At Crayon Rocks you will find great wax crayons with natural ingredients and soy-based. The shape of the wax crayons is ergonomically perfect for small children's hands, this promotes the correct hand position and allows the so important three-finger grip, which is needed to learn to write. The label originates from the USA and was created by Barbara Lee, a special education teacher. The wax crayons are about three inches tall and look like rocks. The wax crayons do not break under pressure and train grasping with the thumb, index and middle fingers. With Crayon Rocks great works of art succeed on different materials and in natural and vibrant colors.