Sharon lovejoy has the most beautiful and simple idea for a really sweet gift. She takes the fluffy dandelion heads and places them in a see through jar for anyone who needs a wish on a bad day.
Get the instructions here:
http://sharonlovejoy.blogspot.com/2010/06/dandelion-wishes-to-you.html
Think crafts places the individual dandelions into a pretty vial and turns it into a necklace.
Get the instructions here:
http://thinkcrafts.com/blog/2013/04/30/the-gift-of-wishes/
Kaboodle uses milk weed seeds which have the same wispy feeling but attached to a seed to make it more solid.
Get the instructions here:
http://www.kaboodle.com/reviews/captured-wish-necklace--natural-history-jar-specimen-modern