Brain Teaser, Optical Illusions and Logic Links

۞ Brain Teasers & Puzzlers

۞ Logic & Critical Thinking

۞ Optical Illusions

۞ Plexers / Rebuses / Wacky Wordies / Punzzles...

Brain Teasers & Puzzlers

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Brain Binders can you fold this page, into that shape, red on one side, yellow on the other?  Not as easy as it sounds...

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Brain Boosters Weekly challenge puzzle, plus great archives

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Brain Food Give your mind a work out on our devious collection of puzzles

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BrainQuest It's OK to be smart!

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Brain Teasers A new teaser every week

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TheCase.com for Kids Mini-mysteries to solve, scary stories, magic tricks, and contests

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The Grey Labyrinth some of the toughest puzzles around, plus archives...

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Harry Potter Games & Puzzles

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Quiz Hub interactive games, puzzles, quizzes and more

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SAT Question of the Day fun, and good practice!

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Tangram Ancient Chinese moving piece puzzle, including history, downloads, links...

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Tower of Hanoi interactive version of the traditional puzzle

Logic & Critical Thinking

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Mission: Critical an interactive tutorial for critical thinking

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Mystery Master Logic Puzzles logic puzzles, with printable solving grids

Optical Illusions

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Dynamic Optical Illusions intriguing selection of old, new and exclusive optical illusions

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IllusionWorks Welcome to the fascinating world of illusions...

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Interest Optical Illusion is it moving, or still?

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World of Escher Learn about Escher's art, plus Penrose's puzzles, and submit your own or vote for your favorite modern tessellations! 

Plexers / Rebuses / Wacky Wordies / Frame Games / Punzzles

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Color Wacky Wordies sometimes color matters!

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More Color Wacky Wordies

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Dingbats, Punzzles or Wacky Wordies

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Miscellaneous Puzzles including 8 pages of Wackie Wordies

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Puzzle Soup dozens of Wordies, sorted by subject

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Rebus Puzzle Brainteasers from the National Institute of Environmental Health Sciences Kid Pages

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Visual Puns