Match Pictures to Letters! Heavy-duty plastic trays and rubbing plates are durable tools for early education. These easy-to-use rubbing plates include letters and illustrations for a truly hands-on learning experience! Match the image to the initial letter sounds: Includes long, short, hard and soft letters. After matching the plates, put them in the trays; lay paper over, and rub with the end or side of a crayon to make a picture. While children play they engage in sensory and motor learning. Includes: 52 rubbing plates 3.5 x 4" (9 x 10 cm) and guide.