Brain teasers and riddles have been proven to build kids' mental acuity. The Everything Kids' Riddles and Brain Teasers Book does this and more, giving children a place to learn-and laugh-all in one! Kids will have a blast trying to unravel these stumpers:

Why do scissors cut in a line?

What can rise each day without ever sleeping?

If fish swim and birds fly, do birds swim and fish fly? Can you think of any examples?

Every night

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A Scrabble-like game in which one to eight players form individual crossword puzzles with words that can change as players continue to draw tiles throughout the game. When there are no more tiles to draw, first player to use all his/her letters wins. Four alternate games described.