What should I do with all these used index cards?

I have about 300 used index cards just sitting around on my desk. Both sides are used, but with only a few words (they were used for vocab). I'm looking for some sort of craft I could use them for, any ideas?

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EpicZombie7 years ago
make lil' air planes... :) :) :) :)
Play a vocab-based game of 1000 Blank White Cards!

Shred them, then use it to stuff a deco pillow. I have used shredded paper for stuffing a million times, but am not sure how index cards would feel... good luck!
seandogue8 years ago
Build a card house? (then knock it down! WOOT!)
Jayefuu8 years ago
Could you pass them on to someone else learning vocab? Or are they too scruffy for that? They must have taken you a while to write out.