Valentine Crayon Hearts

Disney's Family Fun site shows an easy way to make your own crayons.  Simply chop various crayons into little pieces, place them into a mold and bake.  You can even plan the color combinations by using complementary colors, such as a pink, red and white crayon heart.

Good for ages 7 and up.

Get the instructions here:
http://familyfun.go.com/crafts/crayon-hearts-671639/

Whipperberry has a recipe as well although for hers she uses the same color scheme for each heart. 

Get the instructions here:

http://whipperberry.com/2012/01/crayon-heart-valentines-with-lifestyle-crafts.html

Chica circle make a large heart out of crayons by punching the crayons into a hollow canvas.

Get the instructions here:

http://club.chicacircle.com/faux-stone-rainbow-crayon-wall-art-diy/