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, Dimensions:, Height: 12, 1, Width: 10, 3, Depth: 2, 75 SKU: NMG64597