DARICE-Giant Sidewalk Chalk 4/Pkg. Sized for small hands this big colored chalk will make a huge splash on a hot summer day! Chalk is non-toxic and washes of concrete with just water. This package contains four assorted colors of chalk and one plastic chalk holder. Conforms to ASTM D4236. WARNING: Choking Hazard-small parts. Not for children under 3 years. Imported.