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In this activity, learners are challenged to design and construct a jointed figure that moves in a motion (something like jumping jacks) when a string is pulled.

$10 - $20 per group Ages 14 - 18 1 to 4 weeks
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In this activity, learners use bubbles to investigate the structure and unique properties of cell membranes. Bubbles serve as macroscopic models that mimic the cells' phospholipid bilayers.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes