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  Funology.com -- The Science of Having Fun!
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That's Odd... - wacky, strange facts
Brain Drains - puzzles, quizzes and optical illusions
Boredom Busters - arts and crafts, games
The Laboratory - science experiments
In the Kitchen - recipes
Abracadabra!
Tummy Ticklers - jokes and riddles
Hot Stuff - toys and games

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  Brain Drains

Line Lengths

Can you believe that all three of the red lines are the same length? Go ahead and measure them!

Line Lengths

 
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