The first time we laid him down, my three month old hated this for whatever reasons a three month old would have to hate anything. We put him down and he started crying to the heavens. I don't question him because hey, a baby's got things on his mind like any one of us.
At any rate, he loved it the second time we laid him down underneath the arches and with good reason. There's a lot for him to see and do with the Gymini and the best thing about the whole package is that unlike most other play gyms, this one is fully customizable and easy to adjust to your needs. I've found that with other play mats, there's kind of an "either they can get to it or they can't" kind of ethic behind their initial designs and there really isn't much thought put into extending the product's life beyond even a couple of months or even to the level of parent interactivity that can be achieved.
With the Gymini, you can position the toys wherever you need to so your little guy/gal can have unrestricted access to them and it even has enough room for you to lay with your child and help them along as they play with the numerous stuffed animals the Gymini comes packaged with. You can choose to detach your tot's favorite toys and take them on the go, which is always nice. The mat's arches can be adjusted to pretty much whatever height or angle you need to provide your child with, which comes in very handy and helps put the Gymini head and shoulders above any other play mat I've used. The mat is spacious and comfy enough and my child really enjoyed the lights and sounds that the centerpiece makes. I'd recommend it solely due to the Gymini's customizable nature, which will guarantee you a good period of use as your child begins to develop and serves to cover their needs and keep up with them quite well as they make their way through the varying levels of change all kids go through. If I had one thing to nitpick about, I hate having to break out a screwdriver just to change out batteries but then again, I'd rather restrict my kid from accessing the battery case than make it an easy prospect for him to get his fingers into.
I give the Gymini a full five star rating and I think my son would do the same, that is, if he didn't already have so much on his three month old mind.