Adult owner only. I put the set together and then put it back in the box in order. I put each piece in its correct bag and numbered each of them. All pieces including instructions are there. Box does have damage from opening it. See photos. Inspire kids who love vehicles to think about green energy and keeping the city clean with this LEGO® Technic™ Mack® LR Electric Garbage Truck toy (42167) for boys and girls aged 8+. This recycling truck toy is inspired by the cutting-edge Mack electric garbage truck and features realistic movement and features. After building the model, kids can enjoy creative play as they explore what the truck can do. The doors open and kids can use the gear element on top of the cab to steer the truck into position. Just like the real vehicle, this model has a side loader to grab, lift and tip the garbage cans. Kids can then role-play driving the trash away and unloading it. The set includes trash cans and garbage elements to encourage imaginative play. Inspired by the real truck – This model is based on the real-world Mack® electric garbage truck and features realistic movement for creative play Grab, lift and tip – Kids can act out recycling truck toy stories as they steer the truck into position then use the side loader to pick up the trash and tip it into the vehicle before unloading it Steering and opening doors – The doors open to reveal the driver’s cab, and kids can use the gear element on top of the cab to steer the truck into position