4-Piece Children's Crayon Sets (pack of 20) Give children crayons and paper and they become instantly happy! These premium quality crayons for children come in four vibrant colors and are smooth, durable and break resistant. These crayons for children are pre-packaged in cellophane and come 4 to a pack in yellow, green, red, and blue. They are safe, non-toxic and conform to ASTM D4236. These kid's 4-piece crayon sets are sold in packs of 20. You can use these handy packs to give out at school functions, include in birthday party goodie bags, hand out a Halloween instead of candy, etc.!