About Magic Dots 3D
Each picture in Magic Dots 3D is made only of random dots. Your two eyes get the same dots, except inside a hidden shape, where the dots are moved a little sideways in one eye's picture. Either picture alone shows nothing at all, but your brain compares the two, finds the dots that moved and sees a shape floating in front of the dots or sinking behind them.
Put on red-cyan, red-green or red-blue 3D glasses and find circles, stars, numbers, letters and animals. Later levels bring tiny shapes, gentle depth, shapes behind the dots, two shapes at once (which is nearer?) and secret paths to follow from START to the right exit. Every shape you find with your glasses goes in a sticker book, and 6 stars open Make your own: draw a shape and turn it into a magic dot picture for a friend.
Pictures like these are called random-dot stereograms. The scientist Béla Julesz made the first ones by computer around 1960, showing that the brain can see depth with no other clues. Without glasses, practice mode colours the shapes in. Some people don't see depth this way and many need a few seconds: this is a game, not an eye test.
Best for ages 6+
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