The b. puzzle is on the back of the maze. Pay attention to the ropes. Have you seen anything similar to those on another card?
There's a line below where it says "mountain fold." Check elsewhere in the game contents for exactly the same line(s).
The d. puzzle is a maze, but you can't solve it without something else.
See that differently colored area right in the middle? Do you have anything exactly the same size close at hand? Search around for what you need.
First write out the name of each color. Now think about what the numbers might refer to.
To solve this puzzle, you need one of the other puzzle cards.
Is there another card that has bricks on it? Find the card with a brick illustration and line up the puzzle piece marks.
When you read the marked areas on the answer sheet, the word “within” appears.
Don’t forget about the pentagon next to it, though!
That’s right, the full message is “within pentagons.”
Okay, but what does “within pentagons” mean?
There are pentagon marks on the back of the maze puzzle. Take a peek inside each of them.