OK, my new "toy" just got here in the mail. I ordered some wafer paper to practice the butterfly's and other things that can be done. I'm so excited to try this! I got a large size pkg (figure it's more cost effective in the long run). How do you store it? Do I need to get an airtight container to put the unused ones in? Do they go stale if left open to the air for extended periods of time? This is totally new to me so I'm not really sure. Thanks in advance!

keeping the paper in a large ziplock should do. it gets brittle but is still usable, sometimes the pieces peel,like there is 2 layers sandwiched together, but again, you can still use it.