Posted

Color4u

Adult coloring books which others color it to reveal message

Hunter
Makers

Discussion

M
jimmyc
@jimmychello
Hi Product Hunt Color4u design is focus on the iMessage extension which allows users to send a coloring page with a hidden secret message. The receiver can only reveal the hidden message after they color the attached coloring page. It may sound odd. But I do this because many people always got messaged to do some office works during holiday. And it is diff… See more