WE SHIP FLAT – WE do not roll our posters in tubes to save costs like our competitors, no tedious unfurling required so they're easier to keep hung on the wall. Printed on thick, durable poster board and covered in a glossy, heavy-duty finish that reduces the risk of ripping or tearing. EARLY MATH EDUCATION FUN – These 13x18 inch designs for kids come with 10 exciting and easy-to-learn lessons, including addition tables, subtraction tables, multiplication tables, division tables, numbers…