Wagon came 5 days earlier than they said it would. Assembly was pretty straight forward, the instructions were not the best and the pictures were not very clear, but putting it together wasn't rocket science. There were 7 large washers and they all looked the same size, but on 4 of them the inside holes are larger, they are for the wheels. Of course I used them in the wrong place so I had to redo that part. When putting the cotter pins to hold the wheels on be careful to bend them a lot, other wise when the wheel turns the they well hit the air stems and eventually ruin the tires. Over all I think this is a great product and very well made.