With the SES chalk, you can make beautiful drawings in all the colours of the rainbow. These blackboard chalks are less dusty than other chalks. Not completely satisfied with your work? Wipe the board clean with the chalkboard wiper and start again. Handy for at home or at school.SES has been the specialist in creative toys for more than 40 years. Child development is the central concept in the development of our products. As development is important during the early years, it is important that a child has the opportunity to develop his or her talents and to use their creativity. Besides developing creativity, safety and quality are the most important aspects of all our products The products we develop are essential to the different developmental stages of any child. Features Suitable for Young Children Very Strong, Long Lasting and Dustfree 12 Beautiful, Bright Coloured Chalks with Wiper Chalk Shape: Round Don't Stain and Are Easily Washable Develops Creativity, Imagination, Concentration and Motor Skills in Children Type: Writing Chalk Gender Group: Child Gender: Unisex Suitable for 2 to 12 YearsWarning Contains Small Parts. To Be Used Under Direct Adult Supervision. Not Suitable for Children Under 2 Years.