Review on PicassoTiles Building Educational Construction Coordination by Stephen Doyle

We got this as a Christmas present for our son from Santa last year and weren't overly impressed by the fact that it's not possible to mix and match other non-car Picasso tile sets (because the parts have pits for cars). It's basically a standalone kit unless you're buying a different kit for a specific machine. Our son loves it but it would be better if they were paired with other sets. Also, one of our cars seems to die pretty quickly and needs to be driven around the track a bit.