ROYLCO R5841 Optical Illusion 7 by 7-Inch Rubbing Plates, 6-Pack
Use Optical Illusion Rubbing Plates to reate stunning art projects Lay paper over the sturdy plastic plates and rub with crayons or colored pencils. Move the paper and rub again with a second color to create illusion. Rubbing Plates also produce great images on fabrics when used with paint applicators 6 per package. 7 x 7-Inch.