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Players take turns adding shapes made of three squares to a grid. They try to fit their shapes on the grid in a way that blocks the other player.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

In this math activity, learners experiment with the concept of symmetry.

In this activity, learners explore how polarizing sunglasses can help diminish road glare.