The 10874 Steam Train with sound function offers a fun railway experience for children aged 2-5. - Model: 10874 Steam Train - Age Range: 2-5 years old - Number of Pieces: Various blocks - Features: With sound function - Characters: DUPLO characters - Theme: Railway - Colors: Red, Blue, Yellow, Green The train requires 4 AAA batteries. Operation has been confirmed immediately before packing. It also responds to the red, yellow, blue, white, and green gimmicks. Purchased new and used by a child, but I am selling it because they have moved on to smaller LEGOs. All the parts in the photos are included. I have confirmed that everything is complete. There are no noticeable scratches or stains, but please refrain from purchasing if you are concerned about minor imperfections. The outer box will be discarded. It will be packed in a cardboard box. Only the two train cars are wrapped in bubble wrap. There is no instruction manual.