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In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

In this activity, learners try to blow up a balloon hanging inside of an empty bottle.

In this activity (13th on the page), learners complete a simple illusion trick to see through their own hand.

In this activity, learners create an optical illusion by spinning two attached cups. A round ball seems to magically appear when the cups spin.

In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.