Rubbing plates from Acorn Naturalists offer a creative way for children to combine art activities with science and nature. To make plant and animal rubbings, simply lay a sheet of paper over the top of the rubbing plate and use a colored pencil or crayon to rub the surface of the paper. Each set comes with directions and ideas for expanding this art form into many unique projects and lessons. Rubbing plate sizes range from 4" to 8" long. Hands-onl fun combining art and science for children ages 5 and up.