Hi there, Gordon!
Welcome to the Disney Parks Moms Panel. I can't wait for you and your little knight in shining armor to visit the Happiest Place on Earth. My three year old son recently experienced the
Bibbidi Bobbidi Boutique for the Knight Package you are describing. This was an absolutely perfect gift for him. As you mentioned he LOVED the sword and shield as well as some sparkles in his hair. He was so proud for the remainder of the day when he showed fellow Guests and Cast Members his accessories given to him by his Fairy Godmother-in-training.
To book an appointment for this service, make sure you call the Style Line at (714) 781-7895 up to 60 days in advance. You will need to provide a credit card over the phone to secure your appointment, but it will not be charged until time of service or if you fail to cancel within the appropriate window. I suggest making an appointment early in the day so he can show off his new look as long as possible.
Since this will be your little one's first visit to the Disneyland Resort, don't forget to also stop by City Hall in Disneyland Park to grab a complimentary "1st Visit" button.
I hope this information was helpful, and I cannot wait for you to make magical memories together.
-Jennifer