Is this suitable for a 3 year old?

Hi Esther, thank you for your inquiry, the Lillebaby Complete Carrier has a maximum weight of 20kg, depending on your childs weight this should be suitable for them at 3 yrs. We hope this helps. if you follow the link https://www.babyonthemove.co.nz/store-locations/ this will take you to our online store finder. Here you can find contact details for your nearest Baby On The Move Store where one of our team experts will be happy to assist you in your product search and help answer any further questions you may have.