Santoro Interactive 3-D Swing Greeting Card, Cats In Rocking Chair (SSC46) Innovative and carefully created miniature work of art in a dynamic 3D interactive card 6-inch wide x 8-inch tall Fully assembled, opens to form incredible 3 dimensional shape that is made up of multiple moving parts that allow the objects in the center to swing back and forth Can be personalized with a message and sent as a greeting card, no additional postage required Unique ground breaking design also makes them a perfect paper collectable