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Lines is a flipbook containing 6 different animations of puzzle sequences based on mind-boggling optical illusions. To find out what the individual sequences represent, you must first connect the dots page by page-- then flip it! 

Each side of the flip book contains 3 different sequences. Thanks to an exclusive paper cutting technique, you can switch between them by placing your thumb at the upper, middle and lower edge on both sides of the flip book.

Once you have connected all the dots in one sequence, all you have to do is flip it to discover what was hidden behind the puzzles. After that, you can even grab your favorite coloring pens and color the animations-- so you have a dot-to-dot flip book and a coloring flip book, all in one!