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Now You See It... (Mad Science (Turtleback))
Now You See It - Mad Science Turtleback Author:Anne Capeci The kids in Mr. Flask's science labs are having loads of fun with 3-D glasses, mirrors, and optical illusions. Meanwhile, Professor von Offel uses these ideas to create a light-beam projector that makes you see what you want to see... and they're trouble when that beam falls on Mr. Flask's orangutan!