The best gift is a cool gadget. Sometimes you have to give a boring gift card though. But you don't have to give a boring gift card in a boring way!
With this gift card puzzle the reciver have to solve the puzzle before they can get the card. Now suddenly it's fun to get a gift card.
After the puzzle is solved and the card is freed, you can reuse it.
You can also use the puzzle with your credit card in case it gets stolen. Let the thieves struggle long enough for you to block the card. (Disclaimer: not a replacement for not getting your credit card stolen)
