Sew some felt heart brooches (these would also make sweet hair clips!)
Embroider a romantic wall hanging with a faux woodgrain design:
Sew little felt heart ornaments - these would look very cute in candy colours, maybe hanging from some spring twigs in a vase.
Make a cute pillow (cushion) decorated with a heart and lots of colourful buttons:
(This project was originally designed for weddings, as a ring-bearer pillow, but if you just leave off the ribbon it makes a cute mini pillow to add to your decor. Instead of sewing a strip of felt at the back for carrying the pillow, sew a square or rectangle sewn along three sides to make a little pocket and tuck in a love note or other special message before giving it as a gift)
Sew felt lavender sachets decorated with a heart on one side (using the template from this tutorial) and pretty ribbons and buttons on the other:
Make sweet and simple Valentine's cards or invites to a Valentine's Day party decorated with felt hearts (great for using up scraps leftover from other projects!) ...
... or hearts cut from pictures in magazines, sheet music or other patterned papers:
You can also add hearts to your gift wrapping:
Hosting a Valentine's Day party? Here are a few more ideas that could be easily adapted to fit the theme...
Use large sugar paper (construction paper) hearts instead of butterflies to make a pretty paper doily curtain or mobile:
Add little felt hearts to this felt bunting project to make a Valentine's decoration you can use year after year:
Or use hearts cut from coloured card instead of the butterflies in this tutorial to make napkin rings and cake toppers (the napkin rings would look extra cute if you cut a scalloped edge around the heart, as seen in this tutorial).
P.S. if you're planning some Valentine-inspired crafting, my Valentine's Felt Packs are now back in my Etsy shop :)