Which of the 6 Japanese fast-food d.i.y. kits did you get?
Gaburi Chew D.I.Y.
If you look at the window on the front of your box you'll see a secret number which will tell you which style d.i.y. kit you got in your crate.
All sets will have the following items inside:

According to the number in the secret window, you'll get one of the following food molds:

How to: 1 Mix your chewing candy into food colors as needed.
PINK + YELLOW = ORANGE
PINK + BLUE = PURPLE
BLUE + YELLOW = GREEN
PINK + YELLOW + BLUE = GRAY
2 Open mold, press the correct color into the fast food mold, put the top part on and press! 3 Place your food on the stand as shown.