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This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.

1 cent - $1 per group Ages 4 - 14 1 to 7 days

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In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design.

Over $20 per group Ages 8 - adult 1 to 2 hours