It's fun in the tub with your favorite train engine friends! Give them a squeeze, scoop or strain for a fun. Thomas the Tank Engine, Boat and Diesel know just how to make bath time fun. Just hold these little train engines under the water and let them fill up. Thomas the Tank Engine will shoot a fun whoosh of water from his smoke stack. Boat is good scooping fun whereas Diesel will let you strain the water. No batteries required. Measures 3.25L x 2W x 2.5H (in inches). Please note: Boat does not float. Made by Fisher-Price who are well-known for quality control in product making. Confirms to the safety requirements of ASTM. For Ages 18 months and older.