Players need to find out four transparent cards in the room. When they pile the cards up, they will find some clues.
NOTE: There are 4 cards for each set
For the magic transparent card, it has a protective film. You need to tear the sticker off first.
Material: Acrylic, it is durable
The default size: 110mm x 60mm x 3mm

HIGHLIGHTS
1. Smooth rounded corners, no scratches.
2. Acrylic transparent cards, durable and easy to hide.
3. Players need to find out all the 4 magic cards, and pile them up to find the clues.