Can I use a promotion code on a Walmart KIDBOX stylebox? Jessica April 09, 2019 16:53 Updated Follow At this time promotion codes, credits, and friend referrals do not apply to any Walmart KIDBOX styleboxes. Related articles Can I return my KIDBOX? How much does it cost? How do I make a return? How does Walmart KIDBOX stylebox work? Comments 0 comments Please sign in to leave a comment.