In notes to seller write:
Size:
Childs name:
Colors requested:
3-6 things for each month.  Answers must be equivalent in size to sample (may go under, but not over):
Choose combo deal to also get one of the birthday boards at a discounted price!
If wanting matching graphics for each box, click custom

To add more info, change more than name, add color, change/alter graphics add to cart as custom.  For more than one of these changes add as double custom.