What to do..What to do..What to do with the YARN!?

Well my friends and I always make friendship bracelet made out of sting (used for sewing). Well my dad thought we used YARN so he went out and bought like 10 rolls of yarn and threw the reciete away and took the tags off and every thing. WAY TO GO DAD! Anyways i need something to do with this yarn. Any Suggestionss???