Kid loves the lights, even if it's just one of the shoes.  He got lots of "ohh ahh"s from his friends and even some teachers when all the lights were still working, which made him like them even more. They seem to fit very well for running and playing.

Mom does not like them because:
- Sneakers with batteries in them are even more of an environmental problem.  They cannot be recycled as do sneakers with no batteries. I gave in anyway because the kid begged, and begged, and begged...
- Lights on strap are covered in soft plastic that peels off after normal playground and classroom wear and tear. The first one lasted 2 or 3 days. The second one, maybe a week. At that point, the lights on the strap stop working and you can actually see very thin electricity cables and connectors coming out of the shoe. I cut the cables off with regular scissors for safety. This does not affect the lights on the toes. However, the brighter, showier lights are on the strap.
- The lights on the toes of one of the shoes lasted about a month.  The other shoe is still going after about three months.
- We buy this brand often. These are heavier than other models by the same brand - not sure if that has anything to do with the lights.