When your child is out of the crib phase you can convert this crib to a toddler bed using the included safety guard rail. (simplybabyfurniture.com)
Although there are a lot of safety guards included in this product, it's still a little more unsafe for younger kids to use than some of the others listed here. (abckidsinc.com)
I like the built in safety guard and the angled tip. (mydoglikes.com)