The Marlin Kids Jumbo Assorted Coloured Chalk 6-Pack features a strong, vibrant scholastic outdoor drawing material system. Extra-thick cylinder profiles ensure a highly secure manual handgrip for early childhood development. The non-toxic, eco-friendly formula flows easily across school blackboards, brick walls, and concrete sidewalks. It washes away cleanly from non-porous structural play zones using standard water. These colorful dust-free sticks expand fine-motor skills and creative spatial thinking coordination.