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Learners make a counting/estimating jar to exchange with friends or bring home.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners will create their own coral polyps - the basis for a coral reef.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.

$5 - $10 per group Ages 4 - 14 30 to 45 minutes
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In this activity, leaners build their very own rainsticks, an instrument filled with pebbles and seeds that create sounds like falling rain. Save costs by using material found around the home.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners create an origami model of DNA, demonstrating its double helix structure.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners will write a secret message that only their friends will be able to read.

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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“Exploring the Universe: Imagining Life” is a hands-on activity in which visitors imagine and draw an extreme environment beyond Earth, then invent a living thing that could thrive in it.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended!

$1 - $5 per student Ages 4 - adult 45 to 60 minutes
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This activity requires a Pico Cricket (tiny computer).

Over $20 per group Ages 8 - 18 4 to 24 hours
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Los Momentos de Mixing in Math son actividades de 5 a 10 minutos que mantienen a los chicos ocupados, aprendiendo sobre el mundo, y usando matemáticas por su cuenta.

free Ages 4 - adult Under 5 minutes
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The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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In this activity, learners discover that some plastics will shrink when you get them hot. Learners bake polystyrene in a regular oven and discover what happens.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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In this activity, learners use an origami template to design eight amino acids. Learners configure the amino acids to form a protein. Use this activity to introduce proteins and amino acids.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners build their own sound machines and explore the interplay of motion and sound.

$5 - $10 per student Ages 6 - 14 45 to 60 minutes
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In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

$10 - $20 per group Ages 6 - 14 45 to 60 minutes
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In this activity, learners watch a figure "magically" float up through the air.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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These math posters have questions written on them, such as: How many colors can you name in a minute? or How many seconds can you balance on one foot?

free Ages 4 - 14 30 to 45 minutes
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes