Step can offer this perk because, unlike most teen-focused cards, it is not technically a debit card, but rather a secured credit card.

In today's fast-evolving financial landscape, one of the most effective tools for teaching kids and teens about money management is a new take on an old relic: the debit card.

Parents have many options, from debit cards and prepaid cards to secured credit cards and making their child an authorized user. Which is best?