These have been purchased by me, your news editor, and they work very well for what they are intended to be. Both my 2 year old and 7 year old really like them. Though the locking mechanism does require some control of motor skills that a 2 year old does not have, hence the age recommendation being 5+.
Below is a review showing what these entail and how they can combine together in all sorts of ways using Cheetor, Tigatron, Optimus Prime and Ultra Magnus.
