Kiddo and I LOVE this toy. We message back and forth throughout the day. Our son is 15 months so not really speaking in complete sentences, but he figured out how to create messages (very simple design/usage), and I get a kick out of the squealish/gibberish messages he sends periodically while playing with the toy. I respond with messages singing, echoing his gibberish, etc.
Set-up was unlike any other toy I've purchased, but it's not difficult. Involves connecting it to your household wifi via your phone. Took just a couple minutes.
Has worked like a charm since we bought it! It's great!