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In this activity, learners will predict the size of a giant scale model of a comb or other rectangular object, then make one. If you tripled the size of a dollar bill, could you sit on it?

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes