Mountain Pine Trees pattern roller for clay Size: 4" x 3/4" diameter Age: 3 Years and up, this is an art tool only, not a toy Made in USA for marking soft clay, works best with water based clays These maple wood hand rollers are made for marking soft clay with a surface pattern. No handle is needed with these rollers. Just roll them like a rolling pin over the clay surface, can be used flat on a clay slab or on the wall of a piece while still on the wheel. Made in Wisconsin, USA. Size is 4” wide with patterns that repeat as far as you roll them out (3/4" diameter).