We purchased this when my son was only a couple months old to put in his crib. It attached easily and quickly to the crib slats with velcro so that it could also be taken down and used for tummy time too. It made both floor time and crib time more enjoyable. Unlike another reviewer, we had no issues with the mirror toppling over or causing too much distortion, although I did check the unit out very well at the store before purchasing because a couple were warped or scratched. It has proven to be very durable and has held up to a lot of abuse. Now that my son is 9 months old, he is still entertained in his crib with this mirror. If he wakes up before us, we can find him sitting up and "talking" to himself in the mirror on a regular basis. I would definitely recommend this mirror to others!