This gym bar is not very stable. It moves around a little while my daughter is climbing or swinging on it, but not to the point where it will fall over, but still makes me feel a little uneasy. It is easy to move around and unfold, so that's a plus. The adjustment knobs will sometimes be hard to loosen and move, if you twist them on too tight, but nothing crazy. This gym bar is more for beginners who just want to play around on and maybe try a few things. As high and low as the adjustments go, I'd say it's more for toddlers at the lowest height, and to 7 or 8 year olds with the highest height. Overall, it's not a bad gym bar for the price. I just think that if your child is very serious about doing gymnastics, then a more sturdy bar would be better than this one.