Sonic the Hedgehog Valentine Party Favors for Boys and Girls - 32 Sonic Valentine Day Cards with Stickers for Kids Plus Sticker Sheet | Sonic the Hedgehog Valentine Cards for Classroom Party. This Sonic the Hedgehog party favors set includes 32 Sonic the Hedgehog Valentines in tons of different designs featuring colorful artwork of favorite Sonic the Hedgehog. These Sonic the Hedgehog-themed Valentine's cards include stickers for personalizing each Sonic the Hedgehog card. These Sonic the Hedgehog Valentine cards for kids are the perfect handout for Valentine's Day parties. Enough Valentine's Day cards for most preschool or elementary school classroom parties. Officially licensed Sonic the Hedgehog-themed Valentine's party favor cards for kids, boys and girls alike, include a bonus Sonic the Hedgehog sticker sheet.