Aimed at providing an extension to the brown stair activities, these cards measure 5.5" x 8.5" and help the children develop visual discrimination. By matching solid objects with plane figures children begin moving from concrete to abstract. All cards come pre-cut with rounded corners. This item will be sent from Nienhuis, please see our Delivery Page for details. Any additional postage charge will be calculated in the checkout as Nienhuis Delivery (NL).