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Circular Whistle (Some thing between a Bagpipe and a Music Box)
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The Pentographix - The way to recrate & rescale your sketches
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The bartender (Pouring Water Puzzle) + Mecanical Puzzle = Meta Puzzle
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Anna Frank's Bookmark
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Summershed - Don't let the summer cought you unpreparied
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Worst-day-Best-Day Skee vaze