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