This product is a PDF with drawings from Xcode.tips. Each page contains six drawings. You can print and cut these cards and use them as a daily inspiration to improve your Xcode skills.
Even though the cards are in color, they also work perfectly in greyscale. New drawings are added to the PDF as soon as a new page can be filled.
You'll get a PDF with 30 drawings from Xcode.tips to print and cut into your own memory cards.