I’m sorry, but why would it be all right for a toddler to be on any of those slides - even with a parent?? They have no idea how to be ready when they hit the water at the bottom. Both will plunge into the water deeply before coming up for air! If it was the one with the straight drop it is hard to stay in the slide as you often fly into the air at the beginning of the drop. If it is the circular ones, tge forces tend to fling one up the sides and the more you weigh, the more you rock up the edges and the faster you go. Neither of these are conducive to having a child WITH the adult. So very sad!