Monitor measures 8.25 inches long and Merrimac measures 14 inches long. Please note this tooling comes from Lindberg originally not the Pyro tooling. Completely different. The Merrimac Scale is 1/300 and the Monitor is 1/210 Scale. 2 Ironclad ships included. Comes with Vacu-formed seascape base and individual display stands if you choose not to use the base. Updated decals and historical booklet. Detailed instructions. Molded in light gray. Build this detailed historical scene only with Atlantis! This package contains over 40 parts. Recommend black, white, gold, brown, tan and silver paint. Paint and glue sold separately. Recommended ages fourteen years and up. Made in USA.