Super easy to assemble. The cats love it. You can't beat the price. I've been shopping for a decent tree but most are over 200.00+ especially for this size. It's sturdy and well made. The carpet isn't plush but that's okay I can always replace it. I have 3 cats and I've noticed them fighting to hide inside the enclosed box. Maybe, I should've bought the bigger one with 2 boxes. I'm so happy with this purchase. I highly recommend anyone considering in purchasing---don't waste your money on petsmart or petco, they're way too expensive.