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  • A marble course that travels all around a backyard, including over the pool
  • Swimming through a lake of jellyfish whose sting you can't feel
  • A motorized "mirror" made entirely out of fur
  • Carnivorous plants in time lapse
  • An octopus that hunts on dry land
Featured activity:

In Pilish, every word you write must match the digits of pi: 3 letters, then 1, then 4, then 1, then 5... The perfect challenge for Pi Day.

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Depth and Complexity

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Featured Activities at Byrdseed.TV

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It’s tic-tac-toe within tic-tac-toe!

Use Depth and Complexity to get to know your students.

Design your own critters using Greek and Latin word parts.

“This melted my brain” ~ a 4th grader

When is a donut healthier than a salad?

A math game that’s easy to learn – but hard to stop playing.

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