Can I add my child to an existing refill plan? Robin January 09, 2020 17:07 Updated Follow Absolutely! Please contact us and we’d be happy to help. Additional kids refill plans can be purchased from our refills page. Related articles How do I manage my subscription? How can I change the contents of my refills? How do I change my refill date? Can I opt out of battery refills? What is a refill plan?