Rubbing plate kits offer a creative way for children to learn about nature while having fun. Many different sets of rubbing plates are now available. For example, using the animal tracks set, children can create track patterns; skeleton rubbings can be used to teach anatomy; dinosaur, fossil and botanical prints can be used for both educational and artistic displays. Each kit comes with directions and ideas for expanding this unique art form into a variety of projects and lessons. An ideal way to combine art, science and nature study for young children ages 5-10. Rubbing plates are made of durable yet flexible plastic and range in size from 4 x 5 inches to 4 x 8 inches.