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Two Washers
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In this activity, learners create a mind and math puzzle that requires a three-dimensional solution.

Take It From The Top: How Does This Stack Up?
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In this activity, learners explore center of gravity, or balance point, of stacked blocks.

Make an Animation
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In this activity, learners make a device called a phenakistoscope, which displays a continuously looping animation consisting of images drawn onto a spinning disc.

Unlocking the Secret in Product Codes
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In this activity, learners will explore how product barcodes are scanned accurately and be able to "guess" the last number in a 13 digit barcode correctly every time.

Topological Puzzles
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In this activity, learners construct three math puzzles out of simple materials like wood, string, and Styrofoam.

Measure the Sun's Size
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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

Paper Cup Stool
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In this activity, learners will explore how and why weight distribution works.

Shape Stamping
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In this activity, learners will explore two-dimensional shapes that are found in three-dimensional shapes. Learners will explore geometry, design, color and tool use through this activity.

Fantastic Four: A Math Card Game
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This is a game that is sure to sharpen players' basic math skills. Players must use four randomly selected numbers to create an equation that equals a fifth number.

Can I Get Some Pi?
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In this activity, learners will explore pi and the mathematical relationships between a circle's diameter, circumference, and radius.