Super easy to assemble, works perfectly with the mattress we already had, and it doesn't need a box spring. It's also great for under-the-bed storage. The only think I don't like about it is that if you bang your toe into one of the legs...it really, really, really hurts. We cut foam pool noodles into 6" pieces and wrapped them around the legs of the bed frame so our girls don't keep hurting themselves.