Folding to 10 in deep is what separates this tower from the fixed ones - it goes flat behind a door between meals instead of standing in the middle of a kitchen. The safety latches have to be released first, which is deliberate. The 17.5 x 15.5 in platform sets at 16 or 18.5 in to follow a child from 3 to 10 years old, inside a rail that closes on all sides. Pine throughout, rated 88 lbs, weighing 17.5 lbs and standing 37 in in use. White is one of four finishes alongside coffee, gray and natural.