Unicorn color sandbox game, free to color pixel art book pages. This pixel art color game is suitable for both children and adults to exercise brain and train patience. There are many kinds of pixel art pages to color. Number color game is one of the best for all ages. Help kids recognize numbers and colors during number coloring gameplay, help young people to relax and relieve stress after a hard working day, and help old people train concentration and keep calm to enjoy a happy life. You may start from the easiest one to color, 'cause you can finish coloring it in few minutes. So if you are waiting for a bus, taxi or subway train, unicorn color sandbox is your best choice to kill time. Once you think you've mastered all coloring skills and learned how to use coloring boosters, you can step further for harder ones, all these pixel art pages will show you more exquisite and beautiful appearances, but they will take you about 10 minutes to finish coloring for each. So if you are having a break during classes or waiting for a meal, this free color by number game is your best choice. Finally comes to the most difficult ones, it's hardly to say how long you can finish coloring it, 'cause this kind fo photo can be shot by your device, and then converted into pixel art page to color. There may be up to 8000 number boxes awaiting you. So if you can finish coloring 1 or 2 pieces of these pixel art pages, I bet you've found your inner peace and will have enough patience to achieve anything you want. Come and challenge yourself if you dare! Download and have fun with your friends!