How to make quicksand butterfly bookmarks?

The method for making quicksand butterfly bookmarks is as follows:

Preparation materials: sealed bag, cartoon sticker, cardboard, punching machine, scissors, colored rope, butterfly quicksand.

1. Pour butterfly quicksand into the sealed bag.

2. Fix the cardboard at the opening of the sealed bag and stick the cartoon sticker on the cardboard.

3. Cut the cardboard into a trapezoid with scissors.

4. Punch holes in the upper part of the cardboard with a punching machine and pass them through with colored ropes.

5. Knot the colored rope.