Electronic bonds can be bought in any amount from per person, per calendar year, down to the penny.

: Since there is no physical bond, you can print a gift certificate from the TreasuryDirect website to tuck into a card. 4. Choosing Between Series I and EE Bonds

: Log into your account and choose the bond series (EE or I).

: The bond starts earning interest in the month of purchase, even while sitting in your Gift Box.