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Computers store drawings, photographs, and other pictures using only numbers. Through this activity, learners decode numbers to create pictures using the same process that computers use.

1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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Make two firefly lanterns, then program them to blink to one another and change colors.

Over $20 per group Ages 8 - adult 2 to 4 hours