PBS Publishing-Creative Teaching Materials Wipe Clean Workbook With Marker. Sturdy, laminate pages make practicing over and over again a snap. Perfect for at home, in the classroom, car trips and more! This package contains one 6-1/2x4-1/8 inch spiralbound workbook with twenty-two pages and one marker. Recommended for ages 3 and up. WARNING: Choking Hazard- small parts. Not for children under 3 years. Comes in a variety of themes. Each sold separately. Conforms to ASTM D 4236. Non-toxic. Imported.