As the name indicates, a mini crib is smaller sized than the common dimension crib. The price typically ranges between $150 and $200 depending on just what products are used. For standard cribs, on the other hand, they generally cost around $500 to $1000. As of today, there are a whole lot of mini crib models to choose from. There are some with a conversion set that can be used to transform the crib right into a young child bed.