These spook-tastic stacking crayons include every color a kid needs to create a haunted art masterpiece! Drop these fun writing utensils into trick-or-treat bags this Halloween or hand them out to students for classroom arts and crafts. Find more boo-riffic craft supplies and Halloween prize ideas on this website. Plastic. 5 1/2" Each crayon includes 20 colors and a cap. Safe and non-toxic. Conforms to ASTM D-4236. © OTC