Woodland Scenics Classic Rock Molds – WS-C1236 Make rocks for riverbanks, road embankments or anywhere you want an outcropping of large rocks. Mold is flexible and reusable. Rocks range in size from smallest: 3/4″ L x 5/8″ W x 1/4″ H to largest: 5 5/8″ L x 2 5/8″ W x 2 5/8″ H This item is intended for modelling use and is not a toy. Actual product may vary slightly from the pictures shown.