Crayola Color Explosion lets you create swirls of surprising colors with one clear marker! Color Explosion 3-D provides an optical twist images that leap from the page in cool 3-D effects! You can reveal eye-popping scenes and designs or create your own colorful 3-D surprises! The Double-Wide 3-D pack gives you a big 3-D viewing experience that"s twice as wide as regular Color Explosion 3-D! Pop-out display easel is included.