Learning Advantage Pattern Block Cards, Pack of 20

Two levels of difficulty make these pattern block cards perfect for the beginning or intermediate student. Ideal for matching skill practice and fitting shapes together! Includes 20 durable, double-sided 8.28" x 11.69" cards in a reclosable bag.Special Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. ITEM IS NOT ELIGIBLE FOR EXPEDITED SHIPPING