Once you’ve solved Mission 1, Q1–Q6:

Clue1
Record the shapes of the Mysterious Fragments from Q1 to Q6.

Q1 is a triangle (like a slice of pizza)
Q2 is a rectangle (like a palette)
Q3 is the number 4
Q4 is a shape like a gate or an open doorway
Q5 is a trapezoid
Q6 is the shape of a beak

Clue 2

On the green safe, press the shapes from Q1 to Q6 in order, and finish by pressing the clover.