Image Item No. Description  4861-1 (Inv)  Police Boat 24 Parts, 3 Minifigures, 2007 Catalog: Sets: DUPLO: DUPLO, Town: Police  4863-1 (Inv)  Sentry & Catapult 39 Parts, 2 Minifigures, 2008 Catalog: Sets: DUPLO: Castle  4978-1 (Inv)  Road Sweeper 10 Parts, 1 Minifigure, 2007 Catalog: Sets: DUPLO: DUPLO, Town: Traffic