Stickman City Card Art

My son has been developing card games and board games since he was 10 or 11 years old. He designed a card game based on his inability to draw called Stickman City... and it turned out to be quite fun! I've taken it upon myself to create actual cards from his concept. All of the drawings are completely created by my son, now 15 years old. I handled all other aspects of the design. The font used is my son's actual hand writing - I had him write out the alphabet in block letters and created the custom font based on the result! The card back is also his own drawing that I've modified. The game itself has over 100 cards and I'm hoping to surprise him with a fully printed copy of it for his birthday.