It comes with 3 mini-puzzles that can be used to act out scenes from a construction site. Kids can move the pile of bricks using the rotating blade of the bulldozer or engage in dramatic play using the construction-worker mini-puzzles. Includes information and puzzle activities that will enhance a child's learning experience. Twenty-four pieces plus 3 mini-puzzles. For ages 3 and up. Large 24'' x 36'' size.