All one piece. Sturdy plastic to hold up to your kid. What enjoyable they will have "playing school". The top has a dry and eliminate board. The top lifts up for the storage location of the desk. Easy gain access to from both sides of the seat. It determines 21"tall, 30"long, the seat is 10"square. The top of the desk is 16"square. They might sit at the desk and look/read books. Have a treat? Play with other toys? Well the list could continue. Clean, durable and strong. Smoke free too !!! More kid toys to see ??? Yep-- Type in the "search Americanlisted box"my number 123456 and struck enter to see. Thanks for looking.