Each Kit Card includes 22 squares, for the assembly of a single hypercube, 3 Kit Cards are needed for a total of 66 squares
the squares are made in such a way that they can be assembled infinitely
Here is a little description for assembly
Step 1: take 66 pieces of image A
Step 2: make 14 pieces of image B
Step 3: make 2 pieces of image C
Step 4: make 7 pieces of image D
D = 2 a + 2 b
Step 5: Make the core part E of the puzzle by connecting 2 pieces of image C and 1 piece of image D
Step 6: Combine all the pieces you made in previous steps to complete the puzzle