Absolutely! You can do this by logging into your current account, and clicking the 'EDIT' button under your active subscription. On the next page, you will be able to switch from OwlCrate to OwlCrate Jr. Remember to confirm the switch, and you'll be good to go. Please note that this change will begin on your NEXT renewal.
If you have any questions about switching between OwlCrate and OwlCrate Jr, please email us at firstname.lastname@example.org!