CRAYOLA-Washable Glow Chalk Maker Kit. Make your own Glow Chalk then use it to create glowing outdoor art creations! It's easy-just mix chalk dust and glow powder; add water and shake. Then pour your mixture into the mold and in 25 minutes you get a glowing piece of chalk! This kit contains four chalk powder colors with mixing containers; four glow powder packets; one chalk mold tray; one funnel; and one instruction sheet. Makes 8 pieces of chalk. Conforms to ASTM D4236. Recommended for ages 6 and up. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. Made in USA and Imported.