Plan and build a bustling city—with our fun-to-solve wooden puzzle! This innovative puzzle has a sturdy wooden tray with cutout spaces to fit the 3-D building pieces. Kids use problem-solving and spatial reasoning skills to arrange the pieces—either alone or in combinations—until they find the one solution where all the pieces fit in place! Includes 10 pieces. Puzzle measures 8 1⁄2" x 11 1/2".