It can be nice to have more options for the valentines kids often give out to classmates and friends, such as those found in this Printable Valentine Cards for Kids Template for PowerPoint 2013.
An added bonus is, you can customize these valentines or simply print them out as-is for a last-minute solution.
Install Office 2013 Preview to use newer templates such as this one.
Don't want to download Office 2013? More Printable Valentines for Kids Templates for Microsoft Office